Opaque matching sleeves can reduce noticeable thickness differences during casual Pokémon TCG testing, but construction, cut quality, sleeve wear, and storage still matter.

Opaque matching sleeves can reduce noticeable thickness differences during casual Pokémon TCG testing, but construction, cut quality, sleeve wear, and storage still matter.
Paper inserts are ideal for rapidly changing Pokémon test decks, while full-card proxies make more sense for stable lists and reusable Cubes. Compare their cost, labor, feel, and sleeve requirements.