Deviljho, Insatiable Hunger

Ravenous
Vigilance, Reach, Menace, Trample
Devour • When this creature deals combat
damage to a player, that player must sacrifice a creature, and this creature gains +{x}/+{x} of the creature sacrificed.
{2}{b/r}• Dragon Breath- This creature gains Annihilator 2 until end of turn.