Cavern of Souls [Avacyn Restored] Plains Set: Portal Three Kingdoms Type:

Set: Portal Three Kingdoms Type: Legendary Creature — Human Soldier Warrior Rare Cost: {4}{G} Horsemanship (This creature can't be blocked except by creatures with horsemanship

you may reveal this card from your hand and pay its splice cost

and you decide whether to flip again

Equip only as a sorcery

Each artifact you tap after you're done activating mana abilities pays for {1}

Cavern of Souls [Avacyn Restored] Plains Set: Portal Three Kingdoms Type:Set: Avacyn Restored Type: Land Rare Cost: 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.