Creature - Vampire 3/4, 4BB (6) Flying Each creature you control is a Vampire in addition to its other creature types and has "Whenever this creature deals damage to a creature, put a +1/+1 counter on this creature."1
Illus. Matthew D. Wilson
12/1/2004: The triggered ability Mephidross Vampire grants to each creature you control triggers on any damage dealt to any creature, not just combat damage.