Across 1 Pokémon TCG card — drawn 2015 — Gligar appears in the background art rather than as the featured pokemon. The cameos rotate through Suwama Chiaki and other contributors.
These cameos cluster in Ancient Origins most heavily; Suwama Chiaki accounts for 1 of the appearances.
These cards feature statue-like, waterfall, columns and classical building in their background art, illustrated by artists like Suwama Chiaki.
Gligar appears as a background cameo across 1 Pokémon card.
These appearances range from clear sightings to barely-visible silhouettes, scattered across 2015 of the TCG.
Each cameo rewards collectors who pause to look closely at the card art.