Feral Ghoul 
Creature — Zombie Mutant
Menace Whenever another creature you control dies, put a +1/+1 counter on this creature. When this creature dies, each opponent gets a number of rad counters equal to its power.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL