CXyz Barian Hope

this is the anime effect 3 or more Level 7 monsters
You can also Xyz Summon this card by treating all "Number C10X" Xyz Monsters on the field as Level 7 monsters (X is any number from 1 to 7), and using them as Xyz Materials. (Xyz Materials attached to them also become Xyz Materials on this card.) This card's ATK is equal to the number of Xyz Materials attached to it x 1000. During your turn: You can target 1 Xyz Material attached to this card, then either detach that Xyz Material OR pay 400 Life Points; activate 1 of that target's original effects that is activated by detaching its own Xyz Material(s) (this is a Quick Effect). If you do, that effect cannot be used again for the rest of this turn.