The Master of Keys does synergize well with Aminatou, since Aminatou can keep Surveilling cards into your graveyard
You never want to face down an all-in opponents lethal damage and just be one or two mana short of casting the spell side of an modal double face card or activated ability
You may choose new targets for the copies." 1: Exile the top two cards of your library
It has no mana cost, so you can't normally cast it
8.0%inclusion 7%synergy 80 decks 1K decks Sorceries Attempted Murder 51%inclusion 51%synergy 512 decks 1K decks Danse Macabre 50%inclusion 49%synergy 497 decks 1K decks Power of Persuasion 47%inclusion 47%synergy 241 decks 508 decks Ruinous Ultimatum 46%inclusion 28%synergy 403 decks 873 decks Cultivate 44%inclusion 2%synergy 123 decks 279 decks Reckless Endeavor 42%inclusion 42%synergy 657 decks 1.55K decks Thunderwave 42%inclusion 41%synergy 642 decks 1.55K decks Arcane Endeavor 41%inclusion 41%synergy 207 decks 508 decks Wild Endeavor 40%inclusion 40%synergy 111 decks 279 decks Recruitment Drive 39%inclusion 39%synergy 357 decks 914 decks Overwhelming Encounter 37%inclusion 37%synergy 103 decks 279 decks Rampant Growth 35%inclusion 3%synergy 98 decks 279 decks Circuits Act 33%inclusion 33%synergy 514 decks 1.55K decks Coming Attraction 27%inclusion 27%synergy 75 decks 279 decks Valiant Endeavor 24%inclusion 24%synergy 223 decks 914 decks Organic Extinction 24%inclusion 21%synergy 218 decks 914 decks Command Performance 23%inclusion 23%synergy 119 decks 508 decks Kodama's Reach 22%inclusion -3%synergy 62 decks 279 decks Rishkar's Expertise 22%inclusion 13%synergy 61 decks 279 decks Blasphemous Act 22%inclusion -12%synergy 333 decks 1.55K decks Farseek 21%inclusion -15%synergy 59 decks 279 decks Nature's Lore 19%inclusion -12%synergy 54 decks 279 decks Clowning Around 19%inclusion 19%synergy 173 decks 914 decks Shamanic Revelation 19%inclusion 12%synergy 52 decks 279 decks Stitch in Time 17%inclusion 15%synergy 74 decks 445 decks Slight Malfunction 16%inclusion 15%synergy 240 decks 1.55K decks Step Right Up 16%inclusion 15%synergy 155 decks 1K decks Vandalblast 13%inclusion -2%synergy 203 decks 1.55K decks Three Visits 13%inclusion -11%synergy 36 decks 279 decks Explore 12%inclusion 3%synergy 34 decks 279 decks Decimate 11%inclusion 4%synergy 28 decks 248 decks Ponder 11%inclusion -1%synergy 56 decks 508 decks Blood Money 11%inclusion 9%synergy 107 decks 1K decks Expressive Iteration 10%inclusion 3%synergy 46 decks 445 decks Preordain 10%inclusion 1%synergy 50 decks 508 decks Faithless Looting 10%inclusion -6%synergy 152 decks 1.55K decks Squee's Revenge 9.0%inclusion 8%synergy 40 decks 445 decks Fabricate 8.9%inclusion 3%synergy 45 decks 508 decks Black Hole 7.8%inclusion 8%synergy 78 decks 1K decks Stump Stomp 7.7%inclusion 2%synergy 19 decks 248 decks Harmonize 7.5%inclusion -0%synergy 21 decks 279 decks Thoughtcast 7.3%inclusion 4%synergy 37 decks 508 decks Hull Breach 7.3%inclusion 4%synergy 18 decks 248 decks Bala Ged Recovery 7.2%inclusion -0%synergy 20 decks 279 decks Solve the Equation 6.1%inclusion 3%synergy 31 decks 508 decks Voyage Home 6.0%inclusion 4%synergy 5 decks 84 decks Windfall 5.7%inclusion -6%synergy 29 decks 508 decks Dance of the Manse 5.6%inclusion 3%synergy 5 decks 89 decks Brass's Bounty 5.6%inclusion 3%synergy 86 decks 1.55K decks Rise and Shine 5.5%inclusion 5%synergy 28 decks 508 decks Utility Artifacts Wizard's Spellbook 52%inclusion 52%synergy 264 decks 508 decks Treasure Chest 47%inclusion 46%synergy 768 decks 1.64K decks Bag of Tricks 44%inclusion 44%synergy 122 decks 279 decks Sword of Hours 41%inclusion 40%synergy 668 decks 1.64K decks Clown Car 37%inclusion 36%synergy 601 decks 1.64K decks Strength-Testing Hammer 35%inclusion 35%synergy 582 decks 1.64K decks Swiftfoot Boots 28%inclusion 2%synergy 467 decks 1.64K decks Lightning Greaves 26%inclusion 1%synergy 425 decks 1.64K decks Robe of the Archmagi 24%inclusion 24%synergy 123 decks 508 decks Idol of Oblivion 23%inclusion 18%synergy 375 decks 1.64K decks Bucknard's Everfull Purse 22%inclusion 22%synergy 369 decks 1.64K decks Goblin Morningstar 20%inclusion 20%synergy 306 decks 1.55K decks Spiked Pit Trap 13%inclusion 13%synergy 213 decks 1.64K decks Unwinding Clock 10%inclusion 7%synergy 162 decks 1.64K decks Fist of Suns 8.8%inclusion 3%synergy 6 decks 68 decks Clock of Omens 8.5%inclusion 8%synergy 140 decks 1.64K decks Nuka-Cola Vending Machine 8.5%inclusion 7%synergy 139 decks 1.64K decks Inspiring Statuary 8.2%inclusion 7%synergy 134 decks 1.64K decks Wayfarer's Bauble 7.5%inclusion 1%synergy 123 decks 1.64K decks Winged Boots 7.1%inclusion 5%synergy 36 decks 508 decks Monster Manual 6.5%inclusion 5%synergy 18 decks 279 decks Ozolith, the Shattered Spire 6.1%inclusion 2%synergy 17 decks 279 decks Ruby Medallion 5.9%inclusion 2%synergy 96 decks 1.64K decks Bag of Devouring 5.8%inclusion 6%synergy 58 decks 1K decks The Earth Crystal 5.3%inclusion -0%synergy 12 decks 226 decks Thousand Moons Smithy 5.3%inclusion 4%synergy 48 decks 914 decks The Great Henge 5.0%inclusion -4%synergy 14 decks 279 decks Enchantments Maddening Hex 52%inclusion 51%synergy 806 decks 1.55K decks Night Shift of the Living Dead 45%inclusion 45%synergy 454 decks 1K decks Garruk's Uprising 41%inclusion 23%synergy 113 decks 279 decks Intangible Virtue 31%inclusion 26%synergy 280 decks 914 decks Revel in Riches 29%inclusion 26%synergy 291 decks 1K decks Journey to the Lost City 29%inclusion 29%synergy 80 decks 279 decks Priority Boarding 27%inclusion 26%synergy 412 decks 1.55K decks Wizard Class 25%inclusion 21%synergy 127 decks 508 decks Anointed Procession 21%inclusion 15%synergy 196 decks 914 decks Rhythm of the Wild 20%inclusion -1%synergy 50 decks 248 decks Colossal Majesty 18%inclusion 16%synergy 51 decks 279 decks Black Market Connections 18%inclusion 5%synergy 177 decks 1K decks Caretaker's Talent 17%inclusion 12%synergy 152 decks 914 decks Hardened Scales 15%inclusion 5%synergy 42 decks 279 decks Monologue Tax 15%inclusion 12%synergy 135 decks 914 decks Elemental Bond 14%inclusion 9%synergy 40 decks 279 decks Encroaching Dragonstorm 14%inclusion 12%synergy 35 decks 248 decks Propaganda 14%inclusion -0%synergy 71 decks 508 decks Tempered Steel 14%inclusion 13%synergy 127 decks 914 decks Alchemist's Talent 13%inclusion 11%synergy 194 decks 1.55K decks Temur Ascendancy 12%inclusion -3%synergy 10 decks 83 decks Call the Spirit Dragons 11%inclusion 5%synergy 7 decks 62 decks Rain of Riches 11%inclusion 9%synergy 172 decks 1.55K decks Combat Research 11%inclusion 10%synergy 56 decks 508 decks Phyrexian Arena 10%inclusion -6%synergy 95 decks 1K decks Rite of Passage 9.3%inclusion 9%synergy 26 decks 279 decks Impact Tremors 8.9%inclusion -1%synergy 137 decks 1.55K decks Mechanized Production 8.9%inclusion 6%synergy 45 decks 508 decks Branching Evolution 8.6%inclusion 2%synergy 24 decks 279 decks Rhystic Study 7.7%inclusion -15%synergy 39 decks 508 decks Motion Sickness 7.5%inclusion 7%synergy 38 decks 508 decks Leyline of the Guildpact 7.4%inclusion -7%synergy 5 decks 68 decks Fires of Yavimaya 7.3%inclusion 5%synergy 18 decks 248 decks Greater Good 7.2%inclusion 3%synergy 20 decks 279 decks Tocasia's Welcome 7.1%inclusion 3%synergy 65 decks 914 decks Warstorm Surge 6.9%inclusion 3%synergy 106 decks 1.55K decks Wild Growth 6.5%inclusion -3%synergy 18 decks 279 decks Doubling Season 6.1%inclusion -4%synergy 17 decks 279 decks Descent into Avernus 6.1%inclusion 3%synergy 94 decks 1.55K decks Sorcerer Class 6.1%inclusion 4%synergy 27 decks 445 decks Inspiring Leader 5.8%inclusion 5%synergy 53 decks 914 decks Vault 21: House Gambit 5.6%inclusion 5%synergy 87 decks 1.55K decks Bitter Work 5.6%inclusion 3%synergy 9 decks 161 decks Innkeeper's Talent 5.4%inclusion 1%synergy 15 decks 279 decks Parallel Lives 5.4%inclusion -1%synergy 15 decks 279 decks Mirari's Wake 5.3%inclusion -4%synergy 4 decks 75 decks Agent of the Iron Throne 5.2%inclusion 4%synergy 52 decks 1K decks Fly 5.1%inclusion 5%synergy 26 decks 508 decks Fervent Charge 5.0%inclusion 2%synergy 44 decks 873 decks Trouble in Pairs 5.0%inclusion 0%synergy 46 decks 914 decks Planeswalkers Elspeth, Storm Slayer 9.4%inclusion 5%synergy 77 decks 818 decks Ral Zarek 9.2%inclusion 8%synergy 41 decks 445 decks Sarkhan Unbroken 7.2%inclusion 5%synergy 6 decks 83 decks Tezzeret, Master of the Bridge 6.9%inclusion 5%synergy 9 decks 130 decks Space Beleren 6.7%inclusion 7%synergy 6 decks 89 decks Minsc & Boo, Timeless Heroes 5.2%inclusion 4%synergy 13 decks 248 decks Utility Lands Underdark Rift 37%inclusion 37%synergy 609 decks 1.64K decks Mosswort Bridge 34%inclusion 24%synergy 94 decks 279 decks Kessig Wolf Run 27%inclusion 13%synergy 66 decks 248 decks Reliquary Tower 25%inclusion -4%synergy 415 decks 1.64K decks Bojuka Bog 23%inclusion -7%synergy 232 decks 1K decks Treasure Vault 21%inclusion 19%synergy 347 decks 1.64K decks Mystic Sanctuary 21%inclusion 10%synergy 105 decks 508 decks Rogue's Passage 21%inclusion 0%synergy 337 decks 1.64K decks Vault of Whispers 16%inclusion 12%synergy 161 decks 1K decks Ancient Den 16%inclusion 11%synergy 147 decks 914 decks Great Furnace 12%inclusion 6%synergy 187 decks 1.55K decks Seat of the Synod 12%inclusion 5%synergy 60 decks 508 decks Windbrisk Heights 11%inclusion 7%synergy 104 decks 914 decks Inventors' Fair 11%inclusion 7%synergy 177 decks 1.64K decks Mines of Moria 11%inclusion 8%synergy 165 decks 1.55K decks Academy Ruins 10%inclusion 5%synergy 52 decks 508 decks Archway of Innovation 10%inclusion 7%synergy 51 decks 508 decks Desolate Lighthouse 10%inclusion 6%synergy 43 decks 445 decks Vault of the Archangel 9.3%inclusion -3%synergy 82 decks 880 decks Otawara, Soaring City 9.1%inclusion -7%synergy 46 decks 508 decks Rivendell 8.7%inclusion 6%synergy 44 decks 508 decks Buried Ruin 8.6%inclusion 4%synergy 141 decks 1.64K decks Temple of the False God 8.4%inclusion -0%synergy 138 decks 1.64K decks The Gold Saucer 7.1%inclusion 6%synergy 96 decks 1.35K decks Restless Spire 7.0%inclusion 6%synergy 31 decks 445 decks Castle Vantress 6.7%inclusion 4%synergy 34 decks 508 decks Diamond City 6.2%inclusion 6%synergy 101 decks 1.64K decks Halimar Depths 6.1%inclusion 4%synergy 31 decks 508 decks Raging Ravine 6.0%inclusion 3%synergy 15 decks 248 decks Boseiju, Who Endures 5.4%inclusion -13%synergy 15 decks 279 decks Memorial to Glory 5.4%inclusion 5%synergy 49 decks 914 decks Balamb Garden, SeeD Academy 5.3%inclusion 4%synergy 4 decks 76 decks Adagia, Windswept Bastion 5.1%inclusion 2%synergy 36 decks 709 decks Mana Artifacts Sol Ring 82%inclusion -1%synergy 1.35K decks 1.64K decks Vexing Puzzlebox 75%inclusion 74%synergy 1.23K decks 1.64K decks Arcane Signet 74%inclusion 2%synergy 1.22K decks 1.64K decks Component Pouch 67%inclusion 67%synergy 1.10K decks 1.64K decks Izzet Signet 34%inclusion 11%synergy 150 decks 445 decks Luck Bobblehead 33%inclusion 32%synergy 537 decks 1.64K decks Talisman of Creativity 29%inclusion 2%synergy 131 decks 445 decks Talisman of Conviction 24%inclusion -0%synergy 218 decks 900 decks Ebony Fly 23%inclusion 23%synergy 376 decks 1.64K decks Talisman of Indulgence 22%inclusion -6%synergy 204 decks 938 decks Gruul Signet 21%inclusion 13%synergy 53 decks 248 decks Talisman of Hierarchy 18%inclusion -8%synergy 162 decks 880 decks Dimir Signet 15%inclusion -8%synergy 20 decks 130 decks Perception Bobblehead 15%inclusion 15%synergy 243 decks 1.64K decks Intelligence Bobblehead 15%inclusion 14%synergy 242 decks 1.64K decks Charisma Bobblehead 14%inclusion 14%synergy 234 decks 1.64K decks Endurance Bobblehead 14%inclusion 14%synergy 231 decks 1.64K decks Agility Bobblehead 14%inclusion 14%synergy 229 decks 1.64K decks Rakdos Signet 14%inclusion -9%synergy 129 decks 938 decks Strength Bobblehead 14%inclusion 13%synergy 224 decks 1.64K decks Boros Signet 12%inclusion -6%synergy 112 decks 900 decks Orzhov Signet 11%inclusion -11%synergy 100 decks 880 decks Fellwar Stone 11%inclusion -10%synergy 174 decks 1.64K decks Thought Vessel 11%inclusion -7%synergy 173 decks 1.64K decks Golgari Signet 10%inclusion 0%synergy 10 decks 103 decks Talisman of Dominance 9.2%inclusion -23%synergy 12 decks 130 decks Jade Orb of Dragonkind 8.6%inclusion 8%synergy 24 decks 279 decks Commander's Sphere 8.2%inclusion -2%synergy 135 decks 1.64K decks Resonating Lute 7.7%inclusion 1%synergy 13 decks 168 decks Mind Stone 6.8%inclusion -7%synergy 111 decks 1.64K decks Dragon's Hoard 6.4%inclusion 5%synergy 105 decks 1.64K decks Sky Diamond 5.9%inclusion 2%synergy 30 decks 508 decks Midnight Clock 5.9%inclusion 2%synergy 30 decks 508 decks Timeless Lotus 5.9%inclusion -5%synergy 4 decks 68 decks Chromatic Lantern 5.4%inclusion -3%synergy 88 decks 1.64K decks Talisman of Impulse 5.2%inclusion -5%synergy 13 decks 248 decks Relic of Sauron 5.2%inclusion -2%synergy 5 decks 96 decks Lands Command Tower 87%inclusion 13%synergy 1.42K decks 1.64K decks Nomad Outpost 69%inclusion 41%synergy 603 decks 873 decks Clifftop Retreat 60%inclusion 24%synergy 542 decks 900 decks Dragonskull Summit 58%inclusion 22%synergy 545 decks 938 decks Cinder Glade 58%inclusion 20%synergy 143 decks 248 decks Isolated Chapel 55%inclusion 20%synergy 485 decks 880 decks Sulfur Falls 54%inclusion 18%synergy 242 decks 445 decks Smoldering Marsh 44%inclusion 10%synergy 411 decks 938 decks Game Trail 44%inclusion 29%synergy 108 decks 248 decks Exotic Orchard 42%inclusion 5%synergy 692 decks 1.64K decks Temple of Epiphany 42%inclusion 26%synergy 186 decks 445 decks Frostboil Snarl 40%inclusion 25%synergy 177 decks 445 decks Shivan Reef 40%inclusion 10%synergy 177 decks 445 decks Izzet Boilerworks 39%inclusion 26%synergy 172 decks 445 decks Gruul Turf 38%inclusion 25%synergy 95 decks 248 decks Stormcarved Coast 38%inclusion 18%synergy 170 decks 445 decks Blood Crypt 37%inclusion -2%synergy 347 decks 938 decks Sacred Foundry 37%inclusion -1%synergy 330 decks 900 decks Savai Triome 36%inclusion 13%synergy 314 decks 873 decks Godless Shrine 36%inclusion -6%synergy 314 decks 880 decks Mossfire Valley 35%inclusion 24%synergy 88 decks 248 decks Rootbound Crag 35%inclusion 5%synergy 87 decks 248 decks Rockfall Vale 33%inclusion 13%synergy 83 decks 248 decks Steam Vents 32%inclusion -8%synergy 141 decks 445 decks Overgrown Tomb 31%inclusion -11%synergy 32 decks 103 decks Temple of Triumph 31%inclusion 15%synergy 278 decks 900 decks Training Center 30%inclusion 6%synergy 135 decks 445 decks Cascade Bluffs 30%inclusion 15%synergy 134 decks 445 decks Watery Grave 29%inclusion -13%synergy 38 decks 130 decks Luxury Suite 29%inclusion 6%synergy 274 decks 938 decks Xander's Lounge 29%inclusion 7%synergy 28 decks 96 decks Temple of Silence 29%inclusion 13%synergy 256 decks 880 decks Stomping Ground 29%inclusion -13%synergy 72 decks 248 decks Evolving Wilds 29%inclusion 9%synergy 475 decks 1.64K decks Spectator Seating 29%inclusion 7%synergy 260 decks 900 decks Temple of Malice 29%inclusion 16%synergy 269 decks 938 decks Shadowblood Ridge 28%inclusion 16%synergy 263 decks 938 decks Battlefield Forge 28%inclusion -2%synergy 252 decks 900 decks Path of Ancestry 27%inclusion 5%synergy 451 decks 1.64K decks Temple Garden 27%inclusion -13%synergy 20 decks 75 decks Vault of Champions 26%inclusion 3%synergy 230 decks 880 decks Frontier Bivouac 25%inclusion -2%synergy 21 decks 83 decks Ketria Triome 25%inclusion -4%synergy 21 decks 83 decks The World Tree 25%inclusion -1%synergy 17 decks 68 decks Sundown Pass 25%inclusion 8%synergy 224 decks 900 decks Sunken Hollow 25%inclusion -9%synergy 32 decks 130 decks Breeding Pool 24%inclusion -18%synergy 21 decks 86 decks Swiftwater Cliffs 24%inclusion 18%synergy 107 decks 445 decks Crumbling Necropolis 24%inclusion -3%synergy 23 decks 96 decks Hallowed Fountain 24%inclusion -17%synergy 21 decks 89 decks
