Cavern of Souls [PPLCI - 269] Creature [-3]: Return up to one

[-3]: Return up to one target artifact

including 1 card of rarity Rare or higher and 3 Uncommons

3GG: Double the number of +1/+1 counters on each creature you control

including 5 cards of rarity Rare or higher and 5 Uncommon

Whenever you cast a noncreature spell with mana value 3 or greater

Cavern of Souls [PPLCI - 269] Creature [-3]: Return up to oneRarity: M #: 269 Creature Type or Sub Type: Land Rules Text Contains: 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.