Red Rares Shivan Dragon $400/$200 Wheel of Fortune $250/$150 Fork $200/$125 Chaoslace $100/$50 Earthquake $100/$60 Goblin King $100/$60 Granite Gargoyle $100/$60 Mana Flare $100/$60 Raging River $100/$60 Rock Hydra $100/$60 Two-Headed Giant of Foriys $100/$60 ALL OTHER RED RARES $80/~$40 Manabarbs $60/$30 Power Surge $60/$30 Holy cow, look at the price of that Shivan Dragon
Green has lots to offer, with competitive but also fun commanders to choose from
Adeline, Resplendent Cathar (Innistrad: Midnight Hunt) White is the color that specializes in efficient creature threats and go wide combat strategies
Breeches, Brazen Plunderer Breeches, Brazen Plunderer makes for solid pirates commander when partnered with Malcolm, Keen-Eyed Navigator, particularly if youre on a budget (few pirate staples are worth much)
Timothar, Baron of Bats Timothar, Baron of Bats is a little expensive, but mono-black is a great home for vampires
Specifically, with Daretti as your deck's commander, you'll want to be dumping your own artifacts into the graveyard, sacrificing little trinkets or treasures to bring back giant war machines and powerful monuments