After Blitzwing, Adaptive Assailant converts into Blitzwing, Cruel Tormentor, it's still an attacking creature in combat
It might seem like an upgrade, but giving the opponent two treasures can sometimes be way worse for you than giving them a 2/2 flier
His final ability is a -3 ability (meaning you can use it the turn Commodore Guff comes out) reads: You draw X cards and Commodore Guff deals X damage to each opponent where X is the number of Planeswalkers you control. Obviously, if you have a lot of Planeswalkers out, this is very strong
Rakdos, Lord of Riots Rakdos, Lord of Riots is a payoff for this sets group-slug theme and also an enabler to cheat into playing big creatures for less investment based on the damage opponents have taken
Still, a 4 (or 3) cost 7/7 with flying is a pretty fantastic body for its cost, and emptying your hand shouldnt be hard in Red
If it doesnt, then you dont