### Clue: A brief argument during racing event card (5)
### Answer: TAROT 
 ### Explanation: Definition: card
 A + RO{"row"(an argument) **minus ****its last letter**(brief)} **contained in**(during) TT(abbrev. for the Tourist Trophy motorcycle racing event held annually on the Isle of Man).
Answer: A card from the deck used by fortune tellers and the like to supposedly read your future.