By default, Damn is actually spot removal that hits any creature for a low cost, but it can be overloaded, originally a blue/red Izzet effect, to destroy all creatures instead
They have numbering over 204 for their set, and normal card backs so they can be played in standard decks
There are things that we can do for games at a smaller scale that won't work for a game the size of Magic
Many players hyped this card up when it was first spoiled in Eldritch Moon
On top of being a good card, The Endstone is also a major plot element to Edge of Eternities' story, being the plot device that drives the unique "choose your own adventure" style, as it can rewrite time to achieve what it wants
There is an occasional exception to that as a few of the APs remaining from very early editions were signed with a silver pen