23 cards where the set is “arn” and the number of paper sets = 1

Ali from Cairo (Arabian Nights #36)
Army of Allah (Arabian Nights #2)
Camel (Arabian Nights #3)
City in a Bottle (Arabian Nights #60)
Desert Nomads (Arabian Nights #38)
Diamond Valley (Arabian Nights #73)
Drop of Honey (Arabian Nights #47)
Elephant Graveyard (Arabian Nights #74)
Ifh-Bíff Efreet (Arabian Nights #50)
Island of Wak-Wak (Arabian Nights #75)

This card does not meet Magic community standards.

Jihad (Arabian Nights #5)
Khabál Ghoul (Arabian Nights #30)
King Suleiman (Arabian Nights #6)
Merchant Ship (Arabian Nights #17)
Old Man of the Sea (Arabian Nights #18)
Pyramids (Arabian Nights #67)
Ring of Ma'rûf (Arabian Nights #68)
Sandals of Abdallah (Arabian Nights #69)
Serendib Djinn (Arabian Nights #19)
Shahrazad (Arabian Nights #10)
Singing Tree (Arabian Nights #54)

This card does not meet Magic community standards.

Stone-Throwing Devils (Arabian Nights #33)
Ydwen Efreet (Arabian Nights #44)

The message was clear to Sorin—time to search for something else.