name: Circular Logic
printings: DMR, F06, PLST, PRM, SLD, TOR, UMA, VMA, WC02, WC03
text: 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.)
type: Instant