Irris, the Sun Archer

: Whenever you gain life, you may put a loyalty counter on Irris, the Sun Archer, or deal that much damage to a creature in exile.
-1: You may gain 3 life. If you don't, exile a creature. It's owner gains life equal to it's converted mana cost.
-6: You get an emblem with, "Whenever a creature is put into a graveyard from exile, put it onto the battlefield under your control instead."