Mox Opal [Kaladesh Inventions] WTR171-R Then the evil denizens of

Then the evil denizens of Grixis came

Set: Arcane Rising Edition: 1st Edition Finish: Rainbow Foil Type: Action Rarity: Rare Class: Runeblade Cost: 2 Your next Runeblade attack this turn gains +2 [Power]

Konda never once believed he would lose the Kami War

Eight of these booster are clearly marked as "Masterpiece Boosters" and contain one of eight foil Masterpieces in addition to their normal rare/mythic rare card

Set: EX: Legend Maker Type: Stadium Rarity: Uncommon

Mox Opal [Kaladesh Inventions] WTR171-R Then the evil denizens ofSet: 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.