Muk (Japanese: ベトベトン Betbeton) is a Psychic-type Stage 1 Pokémon card. It is part of the Team Up expansion.
The Poison Sacs Ability was first seen as a Poké-BODY on Toxicroak from Mysterious Treasures. Toxic Secretion is an attack first seen on Koga's Kakuna from Gym Challenge. This card's Pokédex entry comes from Pokémon Ultra Sun.