Circular Logic is a uncommon Instant card from World Championship Decks 2002 (WC02), collector number shh33. Current market price: $1.81, TCGplayer market prices via Scryfall.
Counter target spell unless its controller pays {1} for each card in your graveyard. Madness {U} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)