Youll give good cards to opponents to form alliances, and while they control your permanents, youll draw extra cards and gain some life
As such, you can move Equipment or Auras on your combat for attacking, then when it comes to your opponents combat, you can shift these around again for blocking
You obviously have dedicated blink commanders like Roon of the Hidden Realm and Lagrella, the Magpie, but you also get to absorb all the usual Azorius-aligned blink payoffs, with a touch of green ramp added in
Aside from that, he also lets them come in at flesh speed, meaning youll get to trap your opponents with powerful abilities
X=2 and higher is solid, though
Doubling Season-style enchantments aren't the only way to double your tokens