Rules glossary
↑ Parent rule: 729.4 All objects in the main game and all cards outside the main…
729.4a Some effects can bring cards into a game from outside of it. If a card is brought into a subgame from a main game, abilities in the main game that trigger on objects leaving a main-game zone will trigger, but they won’t be put onto the stack until the main game resumes.
No sub-rules.