Agadeems Awakening and Call of the Death-Dweller can target multiple creatures at once
Scourge seems to be designed with Commander in mind

As of today, this brings us to the following for the complete Game Changers list: Drannith Magistrate Enlightened Tutor Humility Serra's Sanctum Smothering Tithe Teferi's Protection Consecrated Sphinx Cyclonic Rift Expropriate Force of Will Fierce Guardianship Gifts Ungiven Intuition Jin-Gitaxias, Core Augur Mystical Tutor Narset, Parter of Veils Rhystic Study Sway of the Stars Thassa's Oracle Urza, Lord High Artificer Bolas's Citadel Braids, Cabal Minion Demonic Tutor Imperial Seal Necropotence Opposition Agent Orcish Bowmasters Tergrid, God of Fright Vampiric Tutor Ad Nauseam Deflecting Swat Gamble Jeska's Will Underworld Breach Crop Rotation Food Chain Gaea's Cradle Natural Order Seedborn Muse Survival of the Fittest Vorinclex, Voice of Hunger Worldly Tutor Aura Shards Coalition Victory Grand Arbiter Augustin IV Kinnan, Bonder Prodigy Yuriko, the Tiger's Shadow Notion Thief Winota, Joiner of Forces Ancient Tomb Chrome Mox Field of the Dead Glacial Chasm Grim Monolith Lion's Eye Diamond Mana Vault Mishra's Workshop Mox Diamond Panoptic Mirror The One Ring The Tabernacle at Pendrell Vale Commanding Forward There's a ton of information in today's article, showing a lot of our thoughts and the results of a ton of discussion from the panel

Card Name Mana Cost Type Enchantment Rarity Rare rules Text If this card is in your opening hand, you may begin the game with it on the battlefield.If you would gain life, you gain that much life plus 1 instead.As long as you have at least 7 life more than your starting life total, creatures you control get +2/+2
Some other token generators include Squirrel Nest, Cloakwood Hermit, Deep Forest Hermit, Scurry Oak, and Nut Collector