CR / RELEASE 2026-07-24
Rule 316.5
The Main Phase has no defined structure.
Rule hierarchy
Parent
316Main PhaseDirect children
316.5.aA player may take any number of Discretionary Actions they are able to perform during this phase. See rule 410.1. Discretionary Actions for more information.316.5.bThis is denoted as a Neutral Open State, and only the Turn Player has the ability to play spells or activate abilities. See rule 307. States of the Turn for more information.