This can be an especially useful card in decks that already have an expendable board like Anhelo, The Painter or Lagomos, Hand of Hatred, or in spellslinger everything can be reused decks with commanders like Kess, Dissident mage
Grading raw singles for a profit is not for the faint of heart or the light on cash
One of my favorite formats of all time combines Five Color, Highlander, and Pauper, into a deck that requires 250 cards, 20 cards of each color, only commons, and no more than one copy per common (other than basic lands)
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This post by @Nanonox lists all the good reasons to run the card