Crippling Fatigue is a common Sorcery card from The List (PLST), collector number TOR-58. Current market price: $0.18, TCGplayer market prices via Scryfall.
Target creature gets -2/-2 until end of turn. Flashback—{1}{B}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)