Cavern of Souls (Borderless Alternate Art) [Double Masters 2022] Human Artificer Set: Time Spiral Type: Artifact

Set: Time Spiral Type: Artifact Creature — Construct Rarity: Rare Cost: {5} Indestructible

Set: Alpha Edition Type: Instant Rarity: Common Cost: {W} Choose one —

Set: Urza's Saga Type: Legendary Land Rarity: Rare {T}: Add {G} for each creature you control

At the beginning of the upkeep of enchanted artifact's controller

Cavern of Souls (Borderless Alternate Art) [Double Masters 2022] Human Artificer Set: Time Spiral Type: ArtifactSet: Double Masters 2022 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.