I dunno, its a Zen moment or something
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
Well, more than two, but the two we want to talk about are Freyalise, Llanowars Fury, and Tyvar Kell, both of whom can spit out tokens among other things
This can be a significant upside if you happen to get a removal spell or board wipe that you'd rather not use at that moment
"Everything We Know About Pokmon Legends: Z-A (City, Starters, Gameplay)"
It can be tempting to keep pulling cards, but there are many that you can easily get by pulling from regular packs