I’ve done the same thing. I’ll eventually buy the cards, but I don’t want to buy cards, playtest the deck, and then find out that I want to replace this slightl

I’ve done the same thing. I’ll eventually buy the cards, but I don’t want to buy cards, playtest the deck, and then find out that I want to replace this slightly expensive card with this other slightly expensive card. My friends are ok with playing against a proxied deck, in part because I keep the overall price of the deck reasonable (since eventually I’ll probably buy the cards if the deck isn’t an absolute dog). I made my proxies with some card-stock with a grammage of 300 g/m^2 which is roughly what MTG cards have (had to grab a big pack from a craft store, but that’s ok since I’ll find a use for the rest). I have a guillotine paper cutter, which made things a LOT easier than when I did this in college, and I also had a little corner-rounder-punch thing that made the final product look way better than expected. I have an inkjet printer, so they didn’t look perfect or anything, but they still looked a lot better than expected! And when they were in sleeves the “feel” was pretty close too!