mtg commander deck shuffler 100 Card Sleeves and Box Set, Clear Front & Matte Art Back, Smooth-Shuffle, Magnetic Box Fits 100+ Single-Sleeved Cards Protector for Magic The Gathering TCG (Fantasy Blade) deck shuffling machine requires four C batteries MTG Deck Shuffler | Hand

Even if you don't plan to challenge an opposing character, One Last Hope can be used to give a key character like Anna, True-Hearted +2 Resist, helping ensure they can stay on the board to quest again the following turn

Voice of VictoryVoice of Victory is by far the best mobilize card: It's cheap to cast, fairly resilient, it gives you the counterspell-pass for your turns, and it also prepares you coffee (it doesn't, but it may as well do)

Thats insane

Urza does it all: You can turn your artifacts into mana and mana into cards

In other instances, a card's flashback cost sometimes requires different colors of mana than its original casting cost, making the flashback cost accessible to only certain color builds