Being wary of marked cards or suspicious shuffling
Ruling issued on November 17th 2024

Situation:
A player suspects that their opponent has made some of their cards visually distinct from the rest of their arsenal, allowing them to predict what they will draw. Alternatively, a player may suspect that their opponent is using shuffling tricks to control which cards will be on top of their arsenal at the start of the game.

Ruling:
Both of these situations are clear violations of the fair play rule. In a friendly setting, this should be addressed amicably. In a competitive setting, a neutral third party should be called upon to resolve the situation. If a player is found cheating, they should be disqualified.