Lathril is an incredibly powerful Commander that can quickly close out a game in just a few turns
I cant imagine the joy Id get from seeing my opponents faces when I play a Brainstorm only to rip an Omniscience off of the top on turn five or six
Blue players often rely on versatile artifact options
Aboshan dies easily for a six mana creature - that three toughness is below the threshold for red commons in the draft (Fiery Temper, Firebolt with flashback, Flame Burst with another Burst or Pardic Firecat in the yard, Acceptable Losses, Swirling Sandstorm, Kamahl's Sledge, Sonic Seizure, and Ember Shot will kill it), making it a little too fragile to survive in most instances
Thankfully, while its shocking that so many MTG cards are being banned so suddenly, there is a fairly simple explanation to it all
It has a steeper learning curve than the others, but users who invest time in configuration report stronger results on competitive drops