Yu-Gi-Oh! Alba System Dogmatikalamity - Battles of Legend: Monster Mayhem (BLMM)

"Fallen of Albaz" + 6 monsters in your GY with different names
Must first be Fusion Summoned. Can attack all your opponent's monsters, once each. Cannot declare an attack unless you send 1 card from your Extra Deck to the GY. Once per turn, if you control this Fusion Summoned card and have 6 or more Fusion Monsters in your GY with different names that mention "Fallen of Albaz" as material: You can send all cards in each player's Extra Deck to the GY.