Familiar-Possessed - Eria [DR04-EN087] Common

You can send 1 "Eria the Water Charmer" and 1 WATER monster you control to the Graveyard to Special Summon this card from your hand or Deck. If you do, this card gets the following effect: • During battle between this attacking card and a Defense Position monster whose DEF is lower than the ATK of this card, inflict the difference as Battle Damage to your opponent.