Invoked Transcendence Aeon

2+ Fusion Monsters with different Attributes
If this card is Fusion Summoned: You can banish cards from the field and/or GYs, up to the number of materials used, then if you used 3 or more, you can look at your opponent's Extra Deck, and if you do, banish up to 3 cards from it. (Quick Effect): You can declare 1 Attribute; all other monsters currently on the field become that Attribute until the end of this turn. You can only use 1 "Invoked Transcendence Aeon" effect per turn, and only once that turn.