Martyr of Bones 
Creature — Human Wizard
, Reveal X black cards from your hand, Sacrifice this creature: Exile up to X target cards from a single graveyard.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Creature — Human Wizard
, Reveal X black cards from your hand, Sacrifice this creature: Exile up to X target cards from a single graveyard.