See rule 506.5." Exalted affects Creatures with or without Exalted, so an Akrasan Squire attacking alone will trigger Exalted, then will get the +1/+1 and be a 2/2
Like Glacial Chasm, Constant Mists can be fully taken advantage of in land-focused Commander decks
The other obvious improvements would be more of the same good Pirate cards already in the deck, and Piglet Pooh Pirate Captain
Yes, thats the kind of design mistake that Nexus of Fate was, but hastily designed playtest cards are liable to lack crucial text tweaks that sift the fun from the miserable and generate far more such mistakes
Since the rules are standardized worldwide, people from all over the globe can enjoy playing together, making it a perfect activity for international Trading Card Shops in Akihabara to host tournaments and casual play sessions
Being able to ninjitsu a planeswalker is good against countermagic