When your monster is targeted for an attack: You can target 1 of your "Metaphys" monsters that is banished or in your GY; banish this card, and if you do, Special Summon that monster in Attack Position. During the Standby Phase of the next turn after this card was banished: You can Special Summon this banished card. You can only use each effect of "Metaphys Decoy Dragon" once per turn.