Some cards reward a closer look. Thundurus is one of the pokemon that quietly appears in the background of 1 other card, painted by Anesaki Dynamic.
These cameos cluster in Unified Minds most heavily; Anesaki Dynamic accounts for 1 of the appearances.
These cards feature sky, fierce, flying and wind in their background art, illustrated by artists like Anesaki Dynamic.
Thundurus appears as a background cameo across 1 Pokémon card.
These appearances range from clear sightings to barely-visible silhouettes, scattered across 2019 of the TCG.
Each cameo rewards collectors who pause to look closely at the card art.