Circular Logic

Counter target spell unless its controller pays for each card in your graveyard.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

EDHREC rank #7626

USD reference: $0.26 (~₱16.27) · Foil: $0.35 (~₱21.90)