Primal Clash: In the 5th expansion in the XY series, we see some new forms of Pokemon cards come into this set. Those new forms include Pokemon with Ancient Trait abilities, which are different from regular Pokemon abilities and stay in effect for the rest of the game, as well as Primal evolution in Primal Groudon EX and Primal Kyogre EX.
The most relevant cards in this set include: Ninetales, Wailord EX, Primal Kyogre EX, Primal Groudon EX, Medicham, Mega Gardevoir EX, Bunnelby, Acro Bike, Full Art Archie’s Ace in the Hole, Dive Ball, Escape Rope, Rare Candy, Repeat Ball, Silent Lab, Rough Seas, Shrine of Memories, Scorched Earth, Teammates, Wonder Energy, Secret Rare Switch, Secret Rare Enhanced Hammer