Tournament rule 506.3
The accountable player must acknowledge their triggers by the time they would have an observable impact on the game. If they do not, they are forgotten.
- 506.3.a As part of acknowledging a trigger, the accountable player must communicate the trigger to all other players in an…
- 506.3.b A trigger is considered forgotten once its point of observable impact has been reached and a new game action is taken…
- 506.3.c Players ruled to be abusing this rule to intentionally forget mandatory triggers that they are the accountable player…
- 506.3.d For triggers that occur “At the start of each player’s first Beginning Phase”, the accountable player has the full…
- 506.3.e Examples of observable impact: