M

+1: Exile up to one target creature card with power X from your graveyard. If you do, put X -1/-1 counters on target creature an opponent controls.
-3: Destroy target noncreature permanent that dealt damage to you or a planeswalker you control last turn.
-7: You get an emblem with "At the beginning of each end step, return target creature from a graveyard to the battlefield under your control".