I find the standard rainbow rare trainers more visually unclear and less pleasing than the regular art, so I made this edit to see if I could find a nice compromise, by
Starmie V - TG13/TG30 - Trainer Gallery Ultra Rare - Pokemon Singles » Trainer Kits » SWSH10: Astral Radiance Trainer Gallery - The Side Deck - Gaming Cafe
Hala FULL ART ULTRA RARE Trainer 143/145 Pokemon SM Guardians Rising Holo NM | eBay
Volo 211/196 Full Art Rainbow Secret Rare Trainer Pokemon TCG: SW&SH Lost Origin | eBay
Mavin | Imposter Professor Oak Japanese Trainer Pokemon card Rare From Nintendo Japan
Pokemon Candela SWSH228 TRAINER Pokemon Go Ultra Rare Holo Card + Top Loader | eBay
The 18 Most Rare and Expensive Pokémon Cards | Dicebreaker
Trainer Galleries — JustInBasil's Pokémon TCG Resources
Pokémon TCG: Sun & Moon—Cosmic Eclipse Secret Cards | Pokemon.com
The 18 Most Rare and Expensive Pokémon Cards | Dicebreaker