Omega Vidolium the Power Patron of Heaven's End

If a monster(s) is Special Summoned from the Extra Deck: You can return this card to the Extra Deck, then you can Fusion Summon 1 Fusion Monster from your Extra Deck, using monsters from either field, including a "Power Patron" monster you control.

3 monsters Special Summoned from the Extra Deck with 3000 or more ATK
Must first be Fusion Summoned. Unaffected by card effects, except "Power Patron" cards'. When your opponent activates a monster effect while they control 2 or more monsters with the same Type as that monster (Quick Effect): You can banish (face-down) the top 3 cards of your Deck; negate the activation, and if you do, banish that monster face-down. Once per turn, during your Standby Phase: Place this card in your Pendulum Zone.