Omen, Weaponizer of Souls

Lifelink (Damage dealt by this creature also causes
you to gain that much life.)
Omen, Weaponizer of Souls cannot be blocked
by more than one creature.
Whenever Omen, Weaponizer of Souls becomes blocked, you may pay {b/r}{b/r}. If you do, exile the creature blocking it, then Omen deals damage
equal to that creatures power to that creatures controller.