I can see having cards in your deck that tap potential attackers, like Icy Manipulator and Opposition, so if an opponent doesnt draw a card from your commanders ability, you know you can keep your tap-down effects ready for potential attackers from their side of the battlefield
You cant choose not to sacrifice Lunar Force
Unfortunately, there are far more bad draws than good ones, which makes this hand (unbeknownst to me at the time) a very easy mulligan
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If you want to create tokens with no drawbacks at four mana, try Court of Grace, Go-Shintai of Shared Purpose, or Heliod, God of the Sun