Pokémon Team Up was the first Pokémon card set to feature Tag Team-GX cards, it is the ninth main expansion in the Sun & Moon series and focuses on the Kanto region. The Pokémon Team Up set holds 196 cards including 15 Secret Rares. The most valuable cards found in Pokémon Team Up are Latias & Latios-GX Alternate Full Art, and Pikachu & Zekrom-GX Secret Rare.