Permeating Mass 
Creature — Spirit
Whenever this creature deals combat damage to a creature, that creature becomes a copy of this creature.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Creature — Spirit
Whenever this creature deals combat damage to a creature, that creature becomes a copy of this creature.