Familiar-Possessed – Eria – (Structure Spirit Charmers) – (SDCH-EN038) – (Common)

You can Special Summon this card (from your hand or Deck) by sending 1 face-up “Eria the Water Charmer” and 1 face-up WATER monster you control to the GY. If this card Special Summoned by its own effect attacks a Defense Position monster, inflict piercing battle damage.