Commander where the general must be Standard-legal
commons only
Modified life totals and banlist
EDH with six roles that have special missions.
Players prepare decklists of seven or fewer cards and games are deterministic.
The game has been played weekly on mtgsalvation (with a few interludes) since 2005.
Open a pack (don't look) and shuffle in 15 lands.
Casual Formats from the mothership
EDH with two teams of 3.
Canadian Highlander
Similar to Commander but played with 50-card decks. No cards with casting cost greater than 3 are used.
intended to be unsolvable, this format requires both players to agree to battle for three turns at a time