Appendix A — Judge Quick Reference
A quick lookup table for the most common situations a judge will encounter. Always consult the full infraction text in the relevant section for procedure details and deviation guidance.
| Situation | Infraction | Competitive | Professional |
|---|---|---|---|
| A player performs an illegal gameplay action | Game Rules Violation | Warning | Warning |
| A player resolves an effect incorrectly | Game Rules Violation | Warning | Warning |
| A player fails to maintain correct game state | Failure to Maintain Game State | Warning | Warning |
| A player ignores opponent’s illegal action | Failure to Maintain Game State | Warning | Warning |
| A player forgets a required trigger | Missed Trigger | Caution | Caution |
| A player sees cards they should not see | Looking at Extra Cards | Warning → AP1 (if severe) | Warning → AP1 (if severe) |
| Hidden/private cards become mixed | Hidden Card Error | Warning | Warning |
| Deck does not match decklist | Card Pool Contents Error | AP1 → Match Loss (if major) | AP1 → Disqualification (if major) |
| Decklist is illegal or incorrect | Decklist Error | AP1 → Match Loss (if major) | AP1 → Match Loss (if major) |
| Player presents deck incorrectly | Presenting Cards Error | Warning (tokens may be Caution) | Warning → AP1 |
| Player shuffles improperly | Shuffling Error | AP1 → Game Loss (if advantage) | AP1 → Game Loss (if advantage) |
| Deck not sufficiently randomized | Insufficient Shuffling | Warning | Warning |
| Cards are distinguishable | Marked Cards | Warning → Match Loss (if advantage) | Warning → Match Loss (if advantage) |
| Draft rules violated (minor) | Draft Procedure Violation — Minor | Warning | Warning |
| Draft rules violated (major) | Draft Procedure Violation — Major | Match Loss | Match Loss |
| Player is late to match | Tardiness | AP1 (<1 min = Warning, >10 min = Match Loss) | AP1 (<1 min = Warning, >10 min = Match Loss) |
| Player gives incorrect public info | Communicating Incorrect Game Information | Warning → Game Loss (if advantage) | Warning → Game Loss (if advantage) |
| Player plays slowly (no intent) | Slow Play | Caution → Warning → Game Loss | Caution → Warning → Game Loss |
| Player receives outside help | Outside Assistance | Game Loss (downgrade possible) | Game Loss |
| Disruptive or disrespectful behavior | Unsporting Conduct — Minor | Warning | Warning |
| Severe disruption or harassment | Unsporting Conduct — Major | Game Loss | Game Loss |
| Extreme behavior or escalation | Unsporting Conduct — Severe | Disqualification | Disqualification |
| Player pressures opponent to concede | Improper Concession | Game Loss | Game Loss |
| Player exploits rules to trap opponent | Rules Sharking | Warning | Game Loss |
| Player delays to run out clock | Stalling | Match Loss | Disqualification |
| Betting on tournament outcomes | Wagering | Match Loss | Disqualification |
| Player offers incentive for result | Bribery | Disqualification | Disqualification |
| Player intentionally breaks rules for advantage | Cheating | Disqualification | Disqualification |