Mystique, Dreadful Infiltrator

Mystique, Dreadful Infiltrator can't be blocked by creatures that share a color with it.

At the beginning of combat on your turn, choose target creature an opponent controls. Until end of turn, Mystique, Dreadful Infiltrator gains that creature's colors.

Whenever Mystique, Dreadful Infiltrator deals combat damage to a player, exile a card at random from their hand. You can play lands and cast spells exiled this way by paying life equal to their mana cost.