They are a bit polar and narrow
Lotho, Corrupt Shirriff Lotho, Corrupt Shirriff can create Treasure for you during each players turn, which can give you a quick leg up in the game
As long as you have this card in play, youll keep drawing more cards when your opponent draws cards
Indomitable Creativity (red), Jund (black/red/green), Death's Shadow (black/red/blue), Rakdos Midrange (black/red), and more decks make use of this discard spell to absolutely hose opponents playing burn or other hyper aggressive strategies
Taii Wakeen, Perfect Shot In a world where they have Skrelv's Hive out and churning and you drop Taii Wakeen, Perfect Shot and then End the Festivities, well it just starts your festivities
Besides, you can play with such cards, and their end date will increase significantly