As far as putting it in the Command zone, I probably wouldnt
Ashcoat both acts as a win condition for going wide with your Rats and is a value engine, recurring two Rat cards from your graveyard to your hand after milling four cards
Here, cost reduction and graveyard hate are phenomenal, and youll snag much more powerful creatures worth putting back into play
While Brain Freeze works better in games with a single opponent rather than in a multiplayer format, that doesn't have to stop you from being able to take out the biggest threat from the table
Luminate Primordial, Diluvian Primordial, Sepulchral Primordial, Molten Primordial, and Sylvan Primordial Return to Ravnica had a rare cycle of uncounterable spells (Supreme Verdict, Counterflux, Abrupt Decay, Slaughter Games, and Loxodon Smiter)