Yvehc Prahs, Prince Of Rams

Dominion:
(Command Zone) - If any cards would be exiled, place them in the graveyard instead.
(Battlefield) - If any cards would be placed into the graveyard, exile them instead.

Shroud, Vigilance.
Yvehc Prahs' power is equal to X where X is the amount of mana spent to cast him.