Rules glossary
↑ Parent rule: 717.6 If a card with an Astrotorium card back would be put into a…
717.6a Each card owned by the same player that has been put in the command zone this way is kept in a single face-up pile separate from any player’s Attraction deck. This pile is informally referred to as that player’s “junkyard.” The pile is not its own zone.
No sub-rules.