mtg cards with mutate Understanding the Mechanic in Magic: The Gathering When math is a nightmare,

Dont play this card

Stitch in Time breaks that mold, but I still think its the best option for coin flip cards

Faithless Looting is also important post-board for finding sideboard cards

More importantly, the creature card has a useful ability in that whenever it attacks or is targeted by an opponents spell, it can deal three damage to each opponent (making it potentially useful in multiplayer formats such as Commander) or exile (essentially remove from the game, in Magic: The Gatherings lingo) the top two cards of the players deck - the player then picks one of those two cards, which they can choose to play until the end of their next turn

Well, lets read that last line