Asriel, Prince Of The Monster

Vigilance
Whenever a creature enter the battlefield under your control, you gain 2 life.
{w}{w}{u}{u}{b}{b}{r}{r}{g}{g}, {t}: Exile 7 Creatures you control: Exile
Asriel, Prince Of The Monster, then return it
to the battlefield transformed under its
owner's control. Active once by game.