33 cards where the set is “dds” and the collector number >= 1 and the collector number < 34

Jhoira of the Ghitu (Duel Decks: Mind vs. Might #1)
Beacon of Tomorrows (Duel Decks: Mind vs. Might #2)
Deep-Sea Kraken (Duel Decks: Mind vs. Might #3)
Mind's Desire (Duel Decks: Mind vs. Might #4)
Peer Through Depths (Duel Decks: Mind vs. Might #5)
Quicken (Duel Decks: Mind vs. Might #6)
Reach Through Mists (Duel Decks: Mind vs. Might #7)
Sage-Eye Avengers (Duel Decks: Mind vs. Might #8)
Sift Through Sands (Duel Decks: Mind vs. Might #9)
Snap (Duel Decks: Mind vs. Might #10)
Talrand, Sky Summoner (Duel Decks: Mind vs. Might #11)
Temporal Fissure (Duel Decks: Mind vs. Might #12)
The Unspeakable (Duel Decks: Mind vs. Might #13)
Desperate Ritual (Duel Decks: Mind vs. Might #14)
Empty the Warrens (Duel Decks: Mind vs. Might #15)
Grapeshot (Duel Decks: Mind vs. Might #16)
Rift Bolt (Duel Decks: Mind vs. Might #17)
Shivan Meteor (Duel Decks: Mind vs. Might #18)
Volcanic Vision (Duel Decks: Mind vs. Might #19)
Young Pyromancer (Duel Decks: Mind vs. Might #20)
Firemind's Foresight (Duel Decks: Mind vs. Might #21)
Goblin Electromancer (Duel Decks: Mind vs. Might #22)
Jori En, Ruin Diver (Duel Decks: Mind vs. Might #23)
Nivix Cyclops (Duel Decks: Mind vs. Might #24)
Spellheart Chimera (Duel Decks: Mind vs. Might #25)
Nucklavee (Duel Decks: Mind vs. Might #26)
Swiftwater Cliffs (Duel Decks: Mind vs. Might #27)
Island (Duel Decks: Mind vs. Might #28)
Island (Duel Decks: Mind vs. Might #29)
Island (Duel Decks: Mind vs. Might #30)
Mountain (Duel Decks: Mind vs. Might #31)
Mountain (Duel Decks: Mind vs. Might #32)
Mountain (Duel Decks: Mind vs. Might #33)

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