The process of uploading the images for the 640 cards took about 4 hours, and I repeatedly had the MPC website hang when it would try to load the checkout page
Chaos theme includes Averna, enabling land ramp with Cascade mechanic, using Chromatic Lantern for mana fixing
Its important to note that Okaun triggers whenever a player wins a coin flip, not just off its own ability
The first bit seems awesome because you can tap out for all the mana, then cast this, and then Oh wait, nope, mana pool is emptied so now you cant cast all the spells you wanted to
Some even do have card quality, card draw or direct mana fixing attached to them
You can check out the cards in The Brothers' War Commander Card Image Gallery, as well as the regular cards in The Brothers' War Card Image Gallery and Booster Fun variants of The Brothers' War cards