38 cards where the set is “ddf” and the collector number >= 1 and the collector number < 39

Elspeth, Knight-Errant (Duel Decks: Elspeth vs. Tezzeret #1)
Elite Vanguard (Duel Decks: Elspeth vs. Tezzeret #2)
Goldmeadow Harrier (Duel Decks: Elspeth vs. Tezzeret #3)
Infantry Veteran (Duel Decks: Elspeth vs. Tezzeret #4)
Loyal Sentry (Duel Decks: Elspeth vs. Tezzeret #5)
Mosquito Guard (Duel Decks: Elspeth vs. Tezzeret #6)
Glory Seeker (Duel Decks: Elspeth vs. Tezzeret #7)
Kor Skyfisher (Duel Decks: Elspeth vs. Tezzeret #8)
Temple Acolyte (Duel Decks: Elspeth vs. Tezzeret #9)
Kor Aeronaut (Duel Decks: Elspeth vs. Tezzeret #10)
Burrenton Bombardier (Duel Decks: Elspeth vs. Tezzeret #11)
Kor Hookmaster (Duel Decks: Elspeth vs. Tezzeret #12)
Kemba's Skyguard (Duel Decks: Elspeth vs. Tezzeret #13)
Celestial Crusader (Duel Decks: Elspeth vs. Tezzeret #14)
Seasoned Marshal (Duel Decks: Elspeth vs. Tezzeret #15)
Conclave Phalanx (Duel Decks: Elspeth vs. Tezzeret #16)
Stormfront Riders (Duel Decks: Elspeth vs. Tezzeret #17)
Catapult Master (Duel Decks: Elspeth vs. Tezzeret #18)
Conclave Equenaut (Duel Decks: Elspeth vs. Tezzeret #19)
Angel of Salvation (Duel Decks: Elspeth vs. Tezzeret #20)
Sunlance (Duel Decks: Elspeth vs. Tezzeret #21)
Swords to Plowshares (Duel Decks: Elspeth vs. Tezzeret #22)
Journey to Nowhere (Duel Decks: Elspeth vs. Tezzeret #23)
Mighty Leap (Duel Decks: Elspeth vs. Tezzeret #24)
Raise the Alarm (Duel Decks: Elspeth vs. Tezzeret #25)
Razor Barrier (Duel Decks: Elspeth vs. Tezzeret #26)

This card does not meet Magic community standards.

Crusade (Duel Decks: Elspeth vs. Tezzeret #27)
Blinding Beam (Duel Decks: Elspeth vs. Tezzeret #28)
Abolish (Duel Decks: Elspeth vs. Tezzeret #29)
Saltblast (Duel Decks: Elspeth vs. Tezzeret #30)
Swell of Courage (Duel Decks: Elspeth vs. Tezzeret #31)
Daru Encampment (Duel Decks: Elspeth vs. Tezzeret #32)
Kabira Crossroads (Duel Decks: Elspeth vs. Tezzeret #33)
Rustic Clachan (Duel Decks: Elspeth vs. Tezzeret #34)
Plains (Duel Decks: Elspeth vs. Tezzeret #35)
Plains (Duel Decks: Elspeth vs. Tezzeret #36)
Plains (Duel Decks: Elspeth vs. Tezzeret #37)
Plains (Duel Decks: Elspeth vs. Tezzeret #38)

Though this query has ended, its relics still slumber in New Argive.