Please no foreign cards. English only.
+20% on all non-promoted cards as of 4/2/17

List of Masterpieces I have opened:

Ancient Tomb (Zendikar Expeditions) - Oath of the Gatewatch
Champions Helm (Kaladesh Inventions) - Kaladesh
Aether Vial (Kaladesh Inventions) - Standard Showdown Kaladesh
Attrition (Amonkhet Invocations) - Amonkhet
Opposition (Hour of Devastation Invocations) - Hour of Devastation