Hana, Farbog Necromancer

At the beginning of your upkeep, each player sacrifices a non-Zombie creature.
Whenever Hana, Farbog Necromancer deals
combat damage to a player, choose target
creature that player controls. The player
sacrifices that creature.
"Here I am again, feeling unwanted and worthless.
Every time I think I feel alive, I realize it's only
because I'm surrounded by the dead."