Pokémon Crimson Invasion is a trading card game set released in November 2017. It is the tenth expansion of the Pokémon Trading Card Game and the first of the Sun & Moon series. The set features over 100 cards, including seven new Pokémon-GX and more than 20 Trainer cards. The set introduces the Ultra Beasts, a new type of Pokémon that have the ability to consume and transform other Pokémon. It also features a new mechanic called GX attacks, which offers powerful effects and can be used once per game. The set also includes new TAG TEAM Pokémon-GX, which are two Pokémon combined into one powerful card. Crimson Invasion focuses on the Ultra Beasts and their ability to consume and transform other Pokémon. The set also introduces new cards with abilities that can be used to counter the Ultra Beasts. The set also includes new Trainer cards that can be used to search your deck for specific cards or to gain an advantage in battle. Overall, Pokémon Crimson Invasion is an exciting set that introduces new mechanics and powerful cards. It is sure to bring lots of fun to the game, and the unique Ultra Beasts make it a must-have for any fan of the Pokémon Trading Card Game.