Astral Kuriboh (Prismatic Ultimate Rare)

You can reveal 1 Number Xyz Monster in your Extra Deck; Special Summon this card from your hand. If you do, this card's Level becomes the revealed monster's Rank, also while it is face-up in the Monster Zone, you cannot Special Summon monsters from the Extra Deck, except Number Xyz Monsters. You can only use this effect of Astral Kuriboh once per turn. A Number Xyz Monster that was Summoned using this card on the field as material gains this effect.
● Cannot be destroyed by battle or your opponent's card effects.