Gravemind Leviathan
XYZ Monster
EARTH Aqua
★9 ATK 2000 DEF 3000
2+ Level 9 monsters
You can also Xyz Summon this card once per turn by using a Rank 8 or lower Xyz Monster you control as material. (Transfer its materials to this card.)
You can detach 1 material from this card; Special Summon up to 2 monsters from your GY in Defense Position.
You can only use this effect of this card once per turn.