Across 2 Pokémon TCG cards — drawn 2014–2015 — Hariyama appears in the background art rather than as the featured pokemon. The cameos rotate through Masakazu Fukuda and Tomokazu Komiya and other contributors.
These cameos cluster in Furious Fists most heavily; Masakazu Fukuda accounts for 1 of the appearances.
2 cards with Hariyama in the background spanning 2014–2015, with art by Masakazu Fukuda and Tomokazu Komiya.
Hariyama appears as a background cameo across 2 Pokémon cards.
These appearances range from clear sightings to barely-visible silhouettes, scattered across 2014–2015 of the TCG.
Each cameo rewards collectors who pause to look closely at the card art.