Building functional paper mockups for casual pods has completely taken over local playgroups lately, especially since everyone wants to test high-cost staples without draining their wallets before committing paper cash. If your playgroup allows custom stand-ins for expensive format staples during weekly table sessions, you can easily use MTG Cardsmith alongside an
mtg proxy workflow to layout custom text and correct mana costs. Print them out, slip them over basic lands, and shuffle up your latest rough draft for testing tonight.