Cavern of Souls [Ultimate Masters] Magic Player Rewards 2005 Set: Amonkhet Invocations Type: Sorcery

Set: Amonkhet Invocations Type: Sorcery Rarity: Mythic Cost: {R} Chain Lightning deals 3 damage to any target

You may cast a spell with converted mana cost X or less from among cards revealed this way without paying its mana cost

you may sacrifice a creature

"Late Thaw"

Set: Classic Sixth Edition Type: Land Rarity: Rare Whenever City of Brass becomes tapped

Cavern of Souls [Ultimate Masters] Magic Player Rewards 2005 Set: Amonkhet Invocations Type: SorcerySet: Ultimate Masters 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.