Malignus 
Creature — Elemental Spirit
Malignus's power and toughness are each equal to half the highest life total among your opponents, rounded up. Damage that would be dealt by this creature can't be prevented.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL