mtg rat deck commander list Karumonix, the Rat King Commander Deck Relentless Rats EDH Ready-to-Play Toxic type:rat is:commander · Scryfall Magic:

Giving +3/+1 and trample the turn you cast it is already a huge way to force damage through, and the Monster role token is a big difference, compared to similar combat tricks

Full Art Land Cards Next up, we have the selection of full art Land cards that have been revealed: Retro Frame Cards Modern Horizons sets feature heavily nostalgic elements to appeal to long term players, and nowhere is this more immediately apparent than with the retro frame cards

If you want more towns in your deck, this isnt terrible, but not tapping for any colored mana is a big downside that youll want to avoid

Maybe you use flicker effects or Panharmonicon to get the damage twice