Cavern of Souls [Ultimate Masters] Magic Player Rewards 2005 if it isn't a mana

if it isn't a mana ability

Set: World Championship Promos Type: Creature — Human Barbarian Rarity: Rare Cost: {2}{R}{R} When Balduvian Horde enters the battlefield

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

Set: Fate Reforged Type: Artifact — Equipment Rarity: Uncommon Cost: {2} Equipped creature gets +3/+2

Set: Limited Edition Alpha Type: Creature — Plant Wall Rarity: Uncommon Cost: {2}{G} Defender (This creature can't attack

Cavern of Souls [Ultimate Masters] Magic Player Rewards 2005 if it isn't a manaSet: 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.