Cavern of Souls (Expeditions) [Zendikar Rising Expeditions] Conspiracy whenever a player casts an

whenever a player casts an instant or sorcery spell

Set: Mythic Edition Type: Legendary Planeswalker — Karn Rarity: Mythic Cost: {4} +1: Reveal the top two cards of your library

Maybe it'll go away

Set: Alpha Edition Type: Enchantment — Aura Rarity: Common Cost: {U}{U} Enchant land

the price on your head is high

Cavern of Souls (Expeditions) [Zendikar Rising Expeditions] Conspiracy whenever a player casts anSet: Zendikar Rising Expeditions 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.