Remedies: 1. If the trigger was missed during a previous turn, instruct the players to continue playing. 2. Otherwise, the next opponent in turn order of the player who missed the trigger chooses whether to resolve the trigger immediately or miss it altogether.
§ 702.2.f Tournament Rules PDF (officieel)
§ 702 Game Play Errors
§ 702.2 Missed Trigger [No Penalty]: The accountable player for a triggered ability doesn’t demonstrate awareness of the trigger before the first time it would have an observable impact on the game.
