This does let you pick off all of your opponents X/1s, and if you have some ways to give up creatures -- like with Blight -- it can do even more
Cards like Reshape the EarthReshape the Earth and ScapeshiftScapeshift make the Maze victory only a matter of time, while Master of CrueltiesMaster of Cruelties and Ebonblade ReaperEbonblade Reaper shine in post-board-wipe scenarios, where we can simply cast our commander and use its ability to get back one of these creatures to delete a player from the game
Its not worth talking about Gates in too much detail, as theyre more of a returning mechanic
He is one of the best things you can equip in the cube not just because he is cheap and hexproof but also because it allows you to get much more use out of the attacking proc
Similarly, Disciple of Caelus Nin can phase out nonland permanents and prevent them from phasing back in, especially when combined with other phasing cards
Its strange that there doesnt seem to be any attached social network, or the ability to rematch an opponent