2016 diglett pokemon card Dugtrio 56/108 Rare Diglett (36/124) [XY: Fates Collide]

You must run this in Madness, Discard Brews or Graveyard and Reanimation too, just toss in Monument of Endurance to draw from it outside of them since you can cast what you discard with madness

Sure, you can combo it with cards that put extra counters, but if you can dedicate that much resources to one card, you can dedicate those resources to other ones that win you the game on their own, rather than relying on a combination of cards

While researching these unique cards, we were lucky enough to receive photos from a CGC Authorized Dealer who happens to own an uncut sheet

Or Spielberg in Laser Cats 7

Similarly, take a card like Granger Guildmage