Historical Rules · 7 August 2020
Rule 502.1
Official source text from the 7 August 2020 Rules release
First, all phased-in permanents with phasing that the active player controls phase out, and all phased-out permanents that the active player controlled when they phased out phase in. This all happens simultaneously. This turn-based action doesn’t use the stack. See rule 702.25, “Phasing.”