5 cards where the card is tagged “cycle-puzzleknot”

Cogworker's Puzzleknot (Kaladesh #201)
Fireforger's Puzzleknot (Kaladesh #213)
Glassblower's Puzzleknot (Kaladesh #217)
Metalspinner's Puzzleknot (Double Masters #273)
Woodweaver's Puzzleknot (Kaladesh #240)

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