In Hearthstone, there was a card called Reno Jackson where he only worked by having a unique deck that only ran 1 copy of each card. iirc they

Was there a deck like this in the first Shadowverse? Most of my fun in Hearthstone was making weird ass singleton decks during that era. I don't expect stuff like this to come out anytime soon but it will be nice to know that this kind deck building well be out in the future.

We're gonna be rich!