Kineo, Birbitoaster Murder.

({p/b} can be paid with {b} or 2 life.)
({p/r} can be paid with {b} or 2 life.)
({p/w} can be paid with {b} or 2 life.)
When this enters the battlefield, exile target creature. You gain life equal to it's toughness or power.
Trample, haste, berserk 3(At the beginning of combat, this card gains indestructible and +3 +3 until end of combat. Then, if it would be put into a graveyard, exile it instead.)