Wizards has announced a new multiplayer variant in the same vein of Planechase called 'Archenemy.'

It is apparently inspired by the WoW TCG's Raid decks. Meant to be a multiplayer variant that allows people to face off against any number of enemies. Unfortunately the information is again sparse on this announcement, but we know the following.

Released: June 18th

Decks: Four different 60 card decks each with eight rares, and 20 card oversized deck.

MSRP: Unannounced