Belbe, Corrupted Observer 
Legendary Creature — Phyrexian Zombie Elf
At the beginning of each postcombat main phase, the active player adds 
for each of your opponents who lost life this turn. (Damage causes loss of life.)
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL