This solidifies something that myself and my play group (me, Steve, Tim, and John - collectively we have #1/#2 at Bashcon and #1/#2/#4 at Origins) have suspected for quite a while:
Mage Wars turns into a completely different game depending on the time limit for matches.
When we play casually with no time limit, many of us have been building relatively slow-starting, defensively-oriented builds. With enough defensive cards and skillful play you can hold off "beatdown" builds, turn the corner and eventually win. Problem is, none of those slow decks can hope to win in less than 2 hours, even though we are fairly quick with our playing. They would never win a single game in a 90 minute format.
When we practice for 75-90 minute tournament time limits, every one of us ends up with a one-dimensional beatdown deck. Not because that's the only way to play the game, but because of the time limit.
At Origins I'd said something about not wanting >2 hour limits because it would just be too exhausting to play through all the matches. Now that I think about it I am actually wishing for longer time limits.