Last Updated: 2026-03-30
338.1. The player with Priority may do any the following:
338.1.a. Play a Card that is legally timed.
338.1.a.1. Cards, by default, cannot be played during a Closed State.
338.1.a.2. A Legally Timed Card would be a Card with Reaction or a card that will have Reaction when played under appropriate circumstances.
338.1.a.3. Other exceptions may be created during regular play.
338.1.a.4. The card will be added to the chain as a Pending Item, following the steps of playing a card.
338.1.a.5. This can be an additional card to the item that Started the Chain in the case of the first player with Priority after creating the Chain.
338.1.a.6. Whether a Card is legally timed is evaluated during the "Check Legality" step of Playing a Card. See rule 349. Playing Cards for more information.
338.1.a.7. Playing a card will create one or more Pending Items. Return to Step 1: Finalize.
338.1.b. Activate Abilities of Game Objects that are legally timed. See rule 398. Playing or Activating Abilities for more information.
338.1.b.1. All rules for legally timed cards apply to legally timed abilities.
338.1.b.2. Activating abilities will create one or more Pending Items. Return to Step 1: Finalize.
338.1.c. Pass Priority
338.1.c.1. The player with Priority passes Priority to the next Player in Turn Order. Proceed to Step 3: Pass.