Cavern of Souls [Double Masters 2022] Dragon's Maze Promos opened its terrible maw

opened its terrible maw

Whenever you reveal a land card this way

Set: War of the Spark Type: Legendary Planeswalker — Karn Rarity: Rare Cost: {4} Activated abilities of artifacts your opponents control can't be activated

Set: World Championships 2004 Type: Water Rarity: Ultra Rare Retreat cost: Colorless

Set: 30th Anniversary Edition Type: Land — Mountain Plains Rarity: Rare ({T}: Add {R} or {W}

Cavern of Souls [Double Masters 2022] Dragon's Maze Promos opened its terrible mawSet: 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.