This is a very potent theme that is squarely in Golgaris wheelhouse that I personally think people shouldnt play in their Commander decks
Panoramas and Landscapes can tap for colorless mana until you need to use them, and the latter even have a cycling ability if you dont need to use them as a land drop
This is pretty useful when you have creatures with strong attack triggers but lack haste, like Etali, Primal Storm
Coupled with those three we have some guys on the higher end of the small spectrum, Genesis, Thicket Elemental, and Indrik Stomphowler
Our custom proxies will cost you a few bucks each and look the same as standard Magic cards
If you do, for the duration of combat, the attacking and blocking creature cards are treated as if they are creature cards on the battlefield which means they can be affected by spells or abilities that would affect creatures on the battlefield