Astral Kuriboh

Level 1 LIGHT

Fiend / Effect

You can only use the effect of this card once per turn.

You can reveal 1 "Number" Xyz Monster in your Extra Deck: Special Summon this card from your hand, then this card's Level becomes the same as the revealed monster's Rank, also while you control this face-up card Special Summoned by this effect, you cannot Special Summon monsters from the Extra Deck, except "Number" Xyz Monsters.

A "Number" Xyz Monster that was Summoned using this card on the field as material gains this effect.
● Cannot be destroyed by battle, also cannot be destroyed by your opponent's card effects.