
Released on May 5, 2017, Guardians Rising is the second main expansion of the Sun & Moon series, spotlighting Alola's island guardians with Tapu Koko-GX and Tapu Lele-GX alongside a deep roster of Pokémon-GX including Lycanroc-GX, Metagross-GX, Sylveon-GX, and Toxapex-GX. The expansion introduced Tapu Lele-GX and its Wonder Tag Ability, which became one of the most essential and sought-after cards of the entire Sun & Moon era thanks to its ability to instantly search for a Supporter card. With 145 cards in the main set and highly coveted Rainbow Rare secrets, Guardians Rising remains a flagship expansion of the Sun & Moon series. Here are the 10 most expensive cards from this expansion.