Cavern of Souls [The List] Jungle 1st Edition Set: Portal Three Kingdoms Type:

Set: Portal Three Kingdoms Type: Legendary Creature — Human Soldier Warrior Rarity: Rare Cost: {2}{B}{B} Horsemanship (This creature can't be blocked except by creatures with horsemanship

Set: Arena League 2001 Type: Basic Land — Island Rarity: Rare ({T}: Add {U}

Set: EX: Team Magma vs Team Aqua Type: Water Rarity: Ultra Rare Retreat cost: Colorless

that player instead puts that land onto the battlefield then sacrifices a land

it produces three times as much of that mana instead

Cavern of Souls [The List] Jungle 1st Edition Set: Portal Three Kingdoms Type:Set: The List Type: Land Rarity: Rare 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.