GUIDES
Rules, without the guesswork.
Two short guides for the questions that come up before a cross-region event: deck language and the 2026 Standard rotation.
LANGUAGE RULES
Can you mix Japanese and English Pokémon cards?
The short answer, the card-back reason, and what the checker can and cannot tell you.
Read the guide →ROTATION
2026 Standard rotation: H, I, J
What rotated, which marks are legal, and why an older printing may still be usable.
Read the guide →How to use these guides
They explain the general rule and link to the official source. Your specific event page and the head judge are always the final authority. The checker turns these rules into a pre-event result for your own list.