Wicked Serpent Night Dragon (ALIN-EN031) - Alliance Insight

You can Tribute 1 DARK monster from your hand or field; Special Summon this card from your hand. You can only use this effect of "Wicked Serpent Night Dragon" once per turn. When this card is destroyed by battle: You can target 1 monster your opponent controls; send it to the GY, then you can Special Summon this card.