Its rare to find a commander that stops traditional counterspells for the table, but Lier, Disciple of the Drowned is my pick for one of the best mono-blue control commanders ever printed
Tutors kind of break that rule, so much so that there are Commander groups out there that believe tutors should be banned in the spirit of the format
Expect a lot of deal-making like I wont attack you this turn if and I can destroy that Propaganda if you attack them this turn. Honorable Mentions Casey & Raph, Hotheads, Donnie & April, Adorkable Duo, Mikey & Mona, Mutant Sitters, and Splinter & Leo, Father & Son each present a great opportunity to do good for others, and are a great bargaining chip
Its first ability is a land catch-up that relies on using Deserts - not a terribly popular subtype, in general