Its also worth mentioning that these errors can happen across multiple cards
When you do cast Ulamog, you get to have an opponent exile the top half of their library, gone forever and out of the game
Forcing your opponent's to assign their sectors means you can react by putting your creatures into the sector that would give your opponent's the least benefit when going for the -1 or the ultimate
Counter Blitz Best overall Specifications Mana type: Bant (green-white-blue) Face Commanders: Tidus, Yunas Guardian + Yuna, Grand Summoner Reasons to buy + Engaging focus on proliferation/counters + Great out of the box Reasons to avoid - Could do with some polishing Counter Blitz is focused on Final Fantasy X, and is a Bant deck (green-white-blue)
Magic is an exceedingly complicated game, expecting the player to keep track of a complicated turn order and an endless array of card types
And second, Commander has a lot more inherent variance and other checks on the power the command zone offers