Across 2 Pokémon TCG cards — drawn 2013–2016 — Xerneas appears in the background art rather than as the featured pokemon. The cameos rotate through Mitsuhiro Arita and Hasuno and other contributors.
Of the 2 cards, Steam Siege contributes the largest cluster. The illustrator most often responsible is Mitsuhiro Arita, whose Xerneas cameos appear in 1 of these cards.
These cards feature abstract background, indeterminate, abstract and fierce in their background art, illustrated by artists like Mitsuhiro Arita and Hasuno.
Xerneas appears as a background cameo across 2 Pokémon cards.
These appearances range from clear sightings to barely-visible silhouettes, scattered across 2013–2016 of the TCG.
Each cameo rewards collectors who pause to look closely at the card art.