Widespread Ruin [DOD-003] Prismatic Secret Rare ELE223 Roar of the World is

Roar of the World is in the command zone or on the battlefield

"Joining this army is easy

then discards two cards

Set: Asia Pacific Land Program Type: Basic Land — Forest Rarity: Common ({T}: Add {G}

Set: Cybernetic Revolution Card type: Fusion/Effect Monster Rarity: Ultimate Rare Attack: 2800 Defense: 2100 "Cyber Dragon" + "Cyber Dragon" A Fusion Summon of this card can only be conducted with the above Fusion Material Monsters

Widespread Ruin [DOD-003] Prismatic Secret Rare ELE223 Roar of the World isSet: Dawn of Destiny Xbox Card type: Normal Trap Rarity: Prismatic Secret Rare You can only activate this card when your opponent declares an attack. Destroy 1 monster with the highest ATK among your opponent's Attack Position monsters.