Latios-GX#243 · Unified Minds

If you have 4 or fewer Pokémon in play, this Pokémon can't attack.

During your opponent's next turn, prevent all damage done to this Pokémon by attacks from TAG TEAM Pokémon.

For the rest of this game, your opponent can't use any GX attacks. (You can't use more than 1 GX attack in a game.)