Ghostrick Festival

[ Spellcaster / Link / Effect ] 1 non-Link "Ghostrick" monster You can also use a face-down "Ghostrick" monster you control as material to Link Summon this card. Your "Ghostrick" monsters can attack directly while a "Ghostrick" card is in a Field Zone. When an opponent's monster declares an attack: You can Tribute this card; Special Summon 1 "Ghostrick" monster from your Deck in face-down Defense Position. You can only use this effect of "Ghostrick Festival" once per turn.