Underground Sea [Collectors' Edition] XY203 cards in your cost area)

cards in your cost area) : If you have 5 Characters

Set: Secret Lair Drop Series Type: Legendary Creature — Human Rogue Rarity: Rare Cost: {2}{U}{U} You may have Sakashima the Impostor enter the battlefield as a copy of any creature on the battlefield

Set: Commander Legends Type: Land Rarity: Rare Undergrowth Stadium enters the battlefield tapped unless you have two or more opponents

Exile Soul of Mirrodin from your graveyard

if that spell's mana cost or that ability's activation cost contains {X}

Underground Sea [Collectors' Edition] XY203 cards in your cost area)Set: Collectors' Edition Type: Land Island Swamp Rarity: Rare ({T}: Add {U} or {B}.)