All decks must be created in "Freeform" format as mtgo does not yet recognize frontier. Decks must contain a minimum of 60 cards in the main deck and a maximum of 15 cards in the sideboard.
Legal sets include:
Magic 2015
Khans of Tarkir
Fate Reforged
Dragons of Tarkir
Magic Origins
Battle for Zendikar
Oath of the Gatewatch
Shadows over Innistrad
Elditch Moon
Kaladesh
Aether Revolt
Legal sets include:
Magic 2015
Khans of Tarkir
Fate Reforged
Dragons of Tarkir
Magic Origins
Battle for Zendikar
Oath of the Gatewatch
Shadows over Innistrad
Elditch Moon
Kaladesh
Aether Revolt