Mox Opal [Kaladesh Inventions] Dragons of Tarkir Prerelease Promos Set: Journey into Nyx Type:

Set: Journey into Nyx Type: Land Rarity: Rare {T}

Counter target spell if its mana value is X

Enchanted creature has protection from white

Set: Kaladesh Prerelease Promos Type: Land Rarity: Rare Spirebluff Canal enters the battlefield tapped unless you control two or fewer other lands

Whenever enchanted creature deals combat damage to a player

Mox Opal [Kaladesh Inventions] Dragons of Tarkir Prerelease Promos Set: Journey into Nyx Type:Set: Kaladesh Inventions Type: Legendary Artifact Rarity: Mythic Cost: {0} Metalcraft {T}: Add one mana of any color. Activate only if you control three or more artifacts. On loan from a private collection, this unique mechanism extracts power from a carefully prepared gemstone.