2 Level 4 monsters
Cannot be destroyed by the activated effects of monsters Special Summoned from the GY. You can only use each of the following effects of "Exorsister Usophiel" once per turn. If this card is Xyz Summoned by using an "Exorsister" monster as material: You can activate this effect; for the rest of this turn, neither player can activate card effects in the GY. You can detach 1 material from this card, then target 1 monster your opponent controls; return it to the hand.