You've got 40 creatures (aside from your commander) and 39 lands to ensure a decent opening hand
The design of five color generals has changed so substantially over the last few years that I believe that a ban like this was inevitable
The first Mystery Dungeon games received decidedly mixed critic reviews, but still sold over 1.4 million copies in Japan alone
Weve already seen two of the three commanders in the box: the face commander, Perrie, the Pulverizer, puts shield counters on creatures before buffing your entire side of the board with +X/+X, where X is the number of types of counters you control
Possibility Storm resolves first, giving you a different, random artifact from your deck for free
Being an unblockable creature with the potential of doing three damage each combat, just leaving the mana up can be enough to scare an opponent into acting - even if activating them is a little expensive