Cavern of Souls (Topper) [Ultimate Box Topper] Nastiest until the end of this

until the end of this turn: negate the effects of all Spell and Trap Cards on your opponent's side of the field

Destroy 1 Spell or Trap Card on your opponent's side of the field

Set: Tokens Card type: Token Rarity: Common This card can be used as any Token

OR when a Normal Spell/Trap Card is activated: You can detach 1 Xyz Material from this card

Cavern of Souls (Topper) [Ultimate Box Topper] Nastiest until the end of thisSet: Ultimate Box Topper Type: Land Rarity: Mythic As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.