Cavern of Souls [Avacyn Restored] SM171 Set: Modern Horizons 2 Prerelease

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

This card gains 1000 ATK for each Spell Counter on it

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

the realm would succumb to the wilds

Set: Eternity Code Card type: Xyz/Effect Monster Rarity: Starlight Rare Attack: 2200 Defense: 600 2+ Level 4 monsters / This card is unaffected by Trap effects while it has Xyz Material

Cavern of Souls [Avacyn Restored] SM171 Set: Modern Horizons 2 PrereleaseSet: 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.