5 cards where the illustration contains “combined-guild-sy...”

Bond of Discipline (War of the Spark #6)
Bond of Flourishing (War of the Spark #155)
Bond of Insight (War of the Spark #43)
Bond of Passion (War of the Spark #116)
Bond of Revival (War of the Spark #80)

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