Zokryg, Lord of the Deep

Trample, Lifelink, Vigilance
{x}{w/u}{t}: create an X/X leviathan.
{x}{u/b}{t}: Counter target spell with converted mana cost X.
{x}{w/b}{t}: Target opponent loses X life and you gain X life.
Eminence : whenever a creature enters the battlefield, you gain 1 life.