Wizards of the Coast announced today that Jace, the Mind Sculptor and Stoneforge Mystic will both be banned in Standard effective July 1, 2011. Exception: The deck list for the “War of Attrition” Event Deck will be legal in Standard if kept completely intact. That deck, which went on sale on June 10, contains two copies of Stoneforge Mystic.
Aaron Forsythe – Director of Magic R&D explains it this way:
The Standard metagame is stagnant and unhealthy at the moment, and has been for months. Jace, the Mind Sculptor is appearing in winning deck lists an alarming percentage of the time, with Stoneforge Mystic appearing almost as often. For reference, 88% of the decks in Day 2 of Grand Prix Singapore contained multiple copies of Jace, and almost 70% of the Day 2 decks contained Stoneforge Mystic. The numbers from Pro Tour Qualifiers and independent large events like the StarCityGames.com Open Series look very similar.
We haven’t seen cards dominate the field like this, possibly ever. Even in the heyday of Affinity (the last deck to require such drastic measures in Standard), we weren’t seeing anything like this level of homogeneity. When you realize that both cards, besides being dominant in Standard, are top tier in Constructed formats of all sizes up to and including Legacy (and even Vintage for Jace), it becomes harder and harder to argue that the cards are anything but flat-out too powerful.