I still play an extra Cavalier of Night since I love my creatures, and I kept a copy of Doom Whisperer in there because Ol' Doomie don't need no reason (plus the scry ability is often great at the time I get it into play)
The sweet spot is probably around 5 mana so that you can have two creatures that give your tokens +1/+1 counters, but you can really sink as much mana as you want into that squad ability
11/10/20 The game starts with no monarch
Since it gets a buff when you exile a permanent, youre not only shutting down a big play by your opponent, but also improving your own board state
Sigardas Splendor Sigarda's Splendor is exactly what I want out of my incidental lifegain cards: a steady stream of life plus additional effects
Xantcha, Sleeper Agent Xantcha, Sleeper Agent is a fascinating commander, but it is a bit more fun in the 99, especially if it comes as a surprise