Cthulhu

{u}{u}{u}: Draw 3 cards.
{u}{u}{b}{b}: Sacrifice a creature you control,
add +1/+1 counters to Cthulhu equal to
the mana cost of the sacrificed creature.
{b}{b}{b}{b}{b}: Destroy target non-champion
Creature.
When Cthulhu dies, return Cthulhu
to the table of Champions.