Rules glossary
↑ Parent rule: 603.7 An effect may create a delayed triggered ability that can do…
603.7b A delayed triggered ability will trigger only once—the next time its trigger event occurs—unless it has a stated duration, such as “this turn.” If its trigger event occurs more than once simultaneously and the ability doesn’t have a stated duration, the controller of the delayed triggered ability chooses which event causes the ability to trigger.
No sub-rules.