The Pokémon TCG hides Gyarados in the background art of 5 cards. The cameos sit across 2000–2024, with Ken Sugimori, Pokemon Rumble and Shinji Kanda responsible for several of them.
These cameos cluster in Gym Heroes most heavily; Ken Sugimori accounts for 1 of the appearances.
These cards feature indeterminate, beach, floating and leaping in their background art, illustrated by artists like Ken Sugimori, Pokemon Rumble and Shinji Kanda.
Gyarados appears as a background cameo across 5 Pokémon cards.
These appearances range from clear sightings to barely-visible silhouettes, scattered across 2000–2024 of the TCG.
Each cameo rewards collectors who pause to look closely at the card art.