Cavern of Souls (0410b) (Borderless) [The Lost Caverns of Ixalan] SV86 This book also includes in-world

This book also includes in-world maps to help players plan their heists

or becomes tapped

Set: Sun & Moon: Dragon Majesty Type: Item Rarity: Secret Rare

and Y is half the number of Forests you control

Set: Media Promos Type: Artifact Rarity: Rare Cost: {2} This listing is for Chaos Orb piece 9 of 9 from the Ultra PRO Puzzle Quest contest

Cavern of Souls (0410b) (Borderless) [The Lost Caverns of Ixalan] SV86 This book also includes in-worldSet: The Lost Caverns of Ixalan 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.