Fenrir, Son of Loki

Menace, Ward — Sacrifice a creature.

Fenrir, Son of Loki enters the battlefield tapped with six stun counters on it.

Whenever a creature you control dies, put a +1/+1 counter on Fenrir and untap it.

Treacherous Odin! If you had not lied to me, I would have been a friend to the gods. But your fear has betrayed you. I will kill you, Father of the Gods. - Fenrir to Odin