
Released on November 5, 2014, Phantom Forces is the fourth main expansion of the XY series, drawn from the Japanese Phantom Gate set and centered on the ghostly power of Mega Gengar-EX alongside Mega Manectric-EX and Aegislash-EX. The expansion introduced Spirit Link Pokémon Tool cards, which allowed Pokémon to Mega Evolve without ending the player's turn, fundamentally changing how Mega Evolution decks operated competitively. With a light Team Flare theme featuring major villains as Supporter cards and the unique Team Flare Hyper Gear mechanic that attached Tools to the opponent's Pokémon, Phantom Forces delivered both strategic innovation and collector appeal. Here are the 10 most expensive cards from this expansion.