Magikey Spirit - Vepartu

2 Level 4 monsters If this card is Xyz Summoned: You can detach 1 material from this card; add 1 Level 4 or higher Normal Monster from your Deck or GY to your hand. If this card has a Normal Monster as material, it gains this effect. ● At the start of the Damage Step, if this card battles an opponent's monster with the same Attribute as a Normal Monster or "Magikey" monster in your GY: You can detach 1 material from this card; your opponent must send that monster to the GY.

Sea Serpent WATER XYZ Monster 4 xyz