Bellowing Mauler 
Creature — Ogre Warrior
At the beginning of your end step, each player loses 4 life unless they sacrifice a nontoken creature of their choice.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL