Circular Logic
Instant{2}{U}
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.)
Colour identity Blue · Madness
In short
Circular Logic has 12 listed printings; the most valuable is the Friday Night Magic printing from F06 at US$5.29 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.
Every Circular Logic printing
Friday Night Magic
Circular Logic
F06 · 8
Price not tracked
Secret Lair · Rainbow Foil
Circular Logic
SLD · 1519★
Price not tracked
Secret Lair
Circular Logic
SLD · 1519
Price not tracked
Circular Logic
TOR · 33
TCGplayer market
US$3.50
2002 Sim Han How · from TOR
Circular Logic
WC02 · shh33
Price not tracked
2002 Carlos Romao · from TOR
Circular Logic
WC02 · cr33
Price not tracked
2003 Dave Humpherys · from TOR
Circular Logic
WC03 · dh33
Price not tracked
Circular Logic
UMA · 47
Price not tracked
2003 Daniel Zink · from TOR
Circular Logic
WC03 · dz33
Price not tracked
The List
Circular Logic
PLST · UMA-47
TCGplayer market
US$0.28
Circular Logic
DMR · 42
Price not tracked
2003 Daniel Zink · from TOR · Sideboard
Circular Logic
WC03 · dz33sb
Price not tracked