Historical Rules · 3 February 2023
Rule 718.6
Official source text from the 3 February 2023 Rules release
If a card with an Astrotorium card back would be put into a zone other than the battlefield, exile, or the command zone from anywhere, instead its owner puts it into the command zone. This replacement effect may apply more than once to the same event. This is an exception to rule 614.5.