The Pokémon TCG hides Tandemaus in the background art of 1 card. The cameos sit across 2023, with kirisAki responsible for several of them.
Of the 1 card, Paldea Evolved contributes the largest cluster. The illustrator most often responsible is kirisAki, whose Tandemaus cameos appear in 1 of these cards.
These cards feature indoor, floating, bright and desserts in their background art, illustrated by artists like kirisAki.
Tandemaus appears as a background cameo across 1 Pokémon card.
These appearances range from clear sightings to barely-visible silhouettes, scattered across 2023 of the TCG.
Each cameo rewards collectors who pause to look closely at the card art.