Sometimes these cards, designed to either support or stop a specific strategy, arent even good within their own context
Sorcery Color tag templates(None) Reshape As an additional cost to cast this spell, sacrifice an artifact
Build a deck that is the best it can be for that one game
Chandra, Hopes Beacon ($25) Most of the Izzet legendary creatures for Commander want you to be casting lots of instants and sorceries, and this Chandra is an auto-include for such decks
Its not very scientific, but its the standard I set for my work, so I just keep drawing and drawing until I know for sure that it has been met
I did think of trading them over time, but since art isnt the main driving factor for collectors here, Id probably be wasting a lot of money