mtg raptor cards Wizards of the Coast Ripjaw Modern Horizons 3 (MH3) #114 Illustrated by Alex Konstad Magic Might be stupid but… :

If that creature card has flash, you'll be able to cast it any time you could cast an instant, even on an opponent's turn

However, while self-milling is quite popular in Commander, there are quite a few self-mill commanders to choose from

If you play the card as an omen, shuffle it back into your library after it resolves instead of putting it in your graveyard like you normally would

I had the chance to try it out on stream and it was more successful than I expected

Solar Transformer Modern Horizons 3 Uncommon Artifact AI Power Level Overall2 commander2 legacy1 modern1 AI Summary Solar Transformer provides a unique energy generation mechanic, giving you three energy counters upon entering the battlefield

Regarding the sideboard: Duress overperformed, I would almost consider maindecking it as I sideboarded it in almost every game