Cavern of Souls (Borderless Alternate Art) [Double Masters 2022] ARC081-M trying to trap the Hero

trying to trap the Hero in different ways

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You may cast Demilich from your graveyard by exiling four instant and/or sorcery cards from your graveyard in addition to paying its other costs

Set: Guilds of Ravnica Prerelease Promos Type: Creature — Elf Druid Rarity: Rare Cost: {2}{G}{G} Whenever you cast a creature spell

gains +3 [Power]

Cavern of Souls (Borderless Alternate Art) [Double Masters 2022] ARC081-M trying to trap the HeroSet: 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.