Secret Rare cards from the upcoming Japanese Pokémon Trading Card Game set, Heat Wave Arena, are appearing online, giving fans their first look at what will soon be some much-sought-after chase cards. Later this month, The Pokémon Company will release Heat Wave Arena, a new Pokémon Tcg set containing Trainer's Pokémon cards. The set will be republished internationally as part of the leaked Destined Rivals set, with several fan-favorite trainers set to get a focus in the set.

Over the past day or so, cards from Heat Wave Arena have started to leak on various social media sites. PokeBeach is collecting the leaks in one place, with a surprising focus on one trainer. Ethan, the male protagonist from Pokémon Gold & Silver, has the most Secret Rare cards of any trainer appearing in the set. Ethan's Ho-Oh and Typhlosion both receive Secret Rare cards, along with alternate art versions of Ethan's Adventure.