Farwayn, Crazed Necromancer

Zombies get +2/-2
Whenever a Zombie dies each opponent discards
a card. If a player cannot, each opponent loses
life equal to the number of Zombies on the battlefield.
{t}: All creatures in target players graveyard
become Zombies in addition to their other types.
{2}{b}{b}{b}, {t}: Return target Zombie creature
from a graveyard to the battlefield under any
player's control.