Circular Logic {2}{U}

Instant

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.)

Illustrated by Anthony S. Waters

Standard
Frontier
Modern
Pauper
Legacy
Penny
Vintage
1v1 Cmdr.
Commander
Brawl