Mono-Blue Commander decks are renowned for drawing lots of cards, protecting combos, milling libraries, cheating in Artifacts, and somehow still having the audacity to say they're just a casual mono-color deck
its low cost and scaling with the number of legendaries means that ideally, you should play Mox Amber as early as possible
When this creature enters, gain control of target creature with power less than this creature's power for as long as you control this creature
Balan, Wandering Knight threatens lethal commander damage with just 2 mana and a few pieces of equipment on board
Whenever it attacks, it also creates a token thats a copy of the target token the player controls
The effect however is just so immensely useful that it pushes Flickerwisp to a pretty good spot