Across 2 Pokémon TCG cards — drawn 2008–2010 — Leafeon appears in the background art rather than as the featured pokemon. The cameos rotate through Ryo Ueda and Kouki Saitou and other contributors.
These cameos cluster in Majestic Dawn most heavily; Ryo Ueda accounts for 1 of the appearances.
These cards feature hovering, abstract, fish-like creatures and gradient sky in their background art, illustrated by artists like Ryo Ueda and Kouki Saitou.
Leafeon appears as a background cameo across 2 Pokémon cards.
These appearances range from clear sightings to barely-visible silhouettes, scattered across 2008–2010 of the TCG.
Each cameo rewards collectors who pause to look closely at the card art.