And only two cards exist: Arcade Game and Card-Flip Game, both from the Neo Genesis set
Everything we do at Ark is to work towards an ideal concept
I am also running Mutilate which is this but for every creature on the battlefield
(They attack each combat if able and attack a player other than you if able.) The card types in Magic include artifact, battle, creature, enchantment, instant, kindred, land, planeswalker, and sorcery
As a collector, I think the way Pokemon continues to reinvent card designs after 25 years if very impressive
Multiple systems and companies have become available that offer card grading