The Dark was slow to gain popularity with collectors and players as the set does not contain a lot of powerful cards in terms of game play, though Ball Lightning, Blood Moon, Maze of Ith and Sorrow's Pain are notable cards
Play low-cost Characters from your hand, accept combat hits to cycle Life cards into favorable positions, and use search effects to arrange your Life so the top card is a Supernova when you want to trigger
Man-o'-War (Mirage/Visions/Weatherlight) Undo and Man-o'-War were often seen together in packs, and players debated which was better: the sorcery which took out two creatures, or the 2/2 creature which took out one
In Commander, you can use the Instant to ramp, remove an artifact or as a Shock
Cards on the Reserved List (never to be reprinted) or emerging must-haves from new sets can also fetch a good price
CRIMINALLY COOL CARDS Every pack contains 6 alt-border cards, including at least 3 Breaking News cardsreprints that report a spellcasting crime with frontpage news-style frames