Instead of the usual best of three, where the first player to get two game wins then wins the round. Best of one is just one game to decide it all.

Rounds are 25 minutes.

Players get a 7 card sideboard for access to cards with Lesson or Karn, the Great Creator type effects.

Pastimes follows any MTG Arena banned lists for Best of One. https://magic.wizards.com/en/banned-restricted-list