For example, withthe recent release of the Clay Burst/Snow Hazard set came one of the most expensive set cards in a while: Iono SAR (special art rare) releasing at 238k yen ($1643) (source: CardRush) on 4/14/23 and boxes going for $300 were seeing a sharp ramp-up of demand and prices for set cards
Trainer cards are a bit more complicated - they're basically support cards, with myriad different effects, and they're often the glue that holds a Pokmon TCG deck together
The holos are quite hard to find, especially in good condition, but the most difficult are actually the non-holo rares, which account for the only six gaps remaining in my Registry set
Craft only as a sorcery.) Craft with Cave (, Exile this artifact, Exile a Cave you control or a Cave card from your graveyard: Return this card transformed under its owner's control
But what are the most valuable cards from this cherished Pokemon TCG set