There may be more ink on the back imprint, and therefore less ink on the actual stamp, but we forget that the ink is slightly bulging (compare it to a little bit of paint, or a lot of paint - the second means the overall result is thicker (actual thicker, not wider like with Thick/Thin 1st edition stamps ))
you can go ahead and either combine them into a full "set or deck" pdf file which will have each card as the pages 1&2, 3&4, 5&6 etc, or into a zip file
#10 Goblin Gaveleer When everything looks like a nail, you really need to get yourself a hammer. Krol, goblin furnace-priest My one (hilarious) Goblin contribution for this list
Its actually been pretty good (Ive always paired it with Sarkhan, Fireblood but more on that later)
Factions which suggested mechanical themes that would be fun and easy to implement should be preferred over ones that didn't