My Wish Is Your Command (Schemes) [Archenemy Schemes] Hidden Arsenal 4 When that attacking monster destroys

When that attacking monster destroys your opponent's monster by battle: You can activate this effect

Set: Tournament Pack 7 Card type: Ritual Monster Rarity: Super Rare Attack: 2350 Defense: 2150 This monster can only be Ritual Summoned with the Ritual Spell Card

When Master of Waves enters the battlefield

or Winged Beast-Type monster

My Wish Is Your Command (Schemes) [Archenemy Schemes] Hidden Arsenal 4 When that attacking monster destroysSet: Archenemy Schemes Type: Scheme Rarity: Common When you set this scheme in motion, each opponent reveals their hand. You may choose a noncreature, nonland card revealed this way and cast it without paying its mana cost. "Indulge me. Just one spell. One potentially fatal spell gone horribly awry."