Devouring Strossus 
Creature — Phyrexian Horror
Flying, trample At the beginning of your upkeep, sacrifice a creature. Sacrifice a creature: Regenerate this creature.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL