For this reason, Wizards of the Coast abandoned the silver border for the fifth Un-set, Unfinity
Because none of the creatures are targeted, you can choose to put +1/+1 counters on a creature with protection from green, for example
+1/+1 counters, -1/-1 counters, charge counters, you name it
No hassle, no pressurejust a welcoming place where your cards get the respect they deserve and find a new home with another fan
However, this is a one-in-a-million find, so adjust your expectations and consider a sensible approach: be aware of the opportunity if it comes to you, but do not spend a bunch of time searching out estate sales
Tolsimir, Friend to Wolves