Additionally, it brings a land on ETB or attack from your graveyard to your battlefield
Counterfeit cards and proxy cards arent technically the same, but it can be a bit of a grey area
They are all cards that hit the board and generate disproportionate value for their costs, but come with ticking clocks of downsides as they stick around
I like the first to burn your foe's down with that 3 damage each of them which is 6 with Isshin
Unlike the Thick Grey stamp which may have formed by stacking printing sheets before they were properly dried, I think Thin Grey stamps are indeed due to being low on black ink
These were existing cards in sets that had two versions from the jump (except Godzilla until recently), and they were a way to get fun cool different versions of cards, and introduced the idea that these official proxies that transformed a card into some cool tie-in or other franchise was an option