It can be used to cast powerful restricted spells multiple times, give a second life to a creature which has been killed, and even be used to return lands from the graveyard to help mana fix
Choosing Our Commander: Eowyn or Aragorn
"Any prior and ongoing objections to our trade values are now deemed without merit and factually invalid."
If you're looking for a way to kill small creatures and finish off opponents, Skysovereign, Consul Flagship is a decent choice
With Great Sacrifice Without replacing our face commander, Tegwyll, Duke of SplendorTegwyll, Duke of Splendor, our deck wants to focus on the death of our creatures, and in doing so we're rewarded with card draw and punished with life loss
If we really want to maximize Goldnight Castigator, we could always consider Assault Formation Better than it looks, but Dance with Devils surely cannot compete with four-drops like Pia and Kiran Nalaar