Cavern of Souls [Avacyn Restored] SM171 Set: Speed Duel Decks: Destiny

Set: Speed Duel Decks: Destiny Masters Card type: Normal Spell Card Rarity: Common If you control a face-up "Dark Magician Girl": Special Summon 1 "Dark Magician" from your hand or Deck

Set: Modern Horizons 2 Prerelease Promos Type: Artifact Creature — Assembly-Worker Rarity: Rare Cost: {3} If you would create a Clue

Set: Aquapolis Type: Water Rarity: Rare

Set: Fossil Unlimited Type: Grass Rarity: Holo Rare Retreat cost: Colorless

the realm would succumb to the wilds

Cavern of Souls [Avacyn Restored] SM171 Set: Speed Duel Decks: DestinySet: Avacyn Restored Type: Land Rarity: Rare 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.