Supposedly, this tournament series was sponsored by Cardmaster Magazine in association with UDE
Walmart is selling Paradox Clash and Destinies Tins for $17 (MSRP is $18.99)

Number of cards: 103 Release date: February 8, 2012 Abbreviation: NXD B & W: Dark Explorers : Hexagon with a half-circle carved from the top Number of cards: 111 Release date: May 9, 2012 Abbreviation: DEX B & W: Dragons Exalted : Spiral symbol Number of cards: 128 Release date: August 15, 2012 Abbreviation: DRX Dragon Vault : Dragon body symbol Number of cards: 21 Release date: October 5, 2012 Abbreviation: DRV B & W: Boundaries Crossed : 6-pointed star overlapping half of a hexagon Number of cards: 153 Release date: November 7, 2012 Abbreviation: BCR B & W: Plasma Storm : Black shield-symbol with white rays in the center Number of cards: 138 Release date: February 6, 2013 Abbreviation: PLS B & W: Plasma Freeze : Black hexagon with 3 pieces taken out on the left side Number of cards: 122 Release date: May 8, 2013 Abbreviation: PLF B & W: Plasma Blast : Black shield-symbol with 3 curves along the top and sides Number of cards: 105 Release date: August 14, 2013 Abbreviation: PLB B & W: Legendary Treasures : Open hexagon with spikes on the right side Number of cards: 140 Release date: November 6, 2013 Abbreviation: LTR Advertisement The XY series includes Pokmon from Gen VI following the release of the X and Y games

Japanese Showcase fractured foil: Around $210 Japanese Showcase traditional foil: Around $26 Main: Around $6 Doomsday Excruciator most expensive DSK cards Doomsday Excruciator is mostly a Commander card that may see some play in Mono-Black Standard
However, Resilient Khenra does offer really aggressive starts with Naban, coming down to double pump a creature (potentially Naban, Dean of Iteration itself) to hit for a huge chunk of damage on Turn 3