Mono-colored MTG decks can be relatively cheap with their simple mana bases, so players seeking a new Commander deck on a budget should try mono-blue.
Brewer's Minute: 10 Commander Combos—Blue
The Best Blue Commanders You Aren't Playing in MTG
Jace, Vryn's Prodigy - Multiplayer Mono Blue Powerhouse
The 55 Best Mono Blue Commanders in Magic Ranked - Draftsim
Teferi Temporal Archmage Altered Full Art MTG Magic Planeswalker
What is The Best Mono Blue Commander and Why? : r/mtg
Best Budget Commanders: Blue MTG Cards - Card Kingdom Blog
All 22 MTG Brothers' War Commanders, Ranked
30 of Best Blue Enchantment Removal Spells in MTG
Best MTG Mono-Blue Commanders, Ranked
Riley Ranks: Top 10 Blue-Black Commanders
Create a Mono Blue Commander Staples Tier List - TierMaker