Collared VD

Flying , : This creature deals damage equal to its power to target creature. That creature deals damage equal to its power to this creature. Whenever a creature dealt damage by this creature this turn dies, put a +1/+1 counter on this creature.

Equipped creature has deathtouch and lifelink. (Any amount of damage it deals to a creature is enough to destroy it. Damage dealt by this creature also causes you to gain that much life.) Equip (: Attach to target creature you control. Equip only as a sorcery.)