Crenellated Wall [Mercadian Masques] War of the Spark when a Fusion Monster you

when a Fusion Monster you control battles an opponent's Fusion Monster: Target both those Fusion Monsters

Set: Tempest Type: Sorcery Rarity: Rare Cost: {3}{B}{B} Each player exiles all creature cards from their graveyard

Select 1 monster on your side of the field and send all other cards on the field and in their respective owners'' hands to their respective Graveyards

Set: World Superstars Card type: Continuous Trap Rarity: Secret Rare You cannot Special Summon monsters

Crenellated Wall [Mercadian Masques] War of the Spark when a Fusion Monster youSet: Mercadian Masques Type: Artifact Creature Wall Rarity: Uncommon Cost: {4} Defender (This creature can't attack.) {T}: Target creature gets +0 +4 until end of turn. Mercadian soldiers excel at finding things to stand behind.