You can send 1 monster from your hand or field to the GY, then target 1 Reptile monster in your GY with a different original Attribute than that monster; Special Summon it. During the Main Phase, if a monster is sent to your opponent's GY: You can send 1 Reptile monster from your Deck to the GY. You can only use each effect of "Ogdoadic Serpent Strike" once per turn.