21 cards where the cards have the cards have Spree asterisks

Caught in the Crossfire (Outlaws of Thunder Junction #117)
Dance of the Tumbleweeds (Outlaws of Thunder Junction #160)
Explosive Derailment (Outlaws of Thunder Junction #122)
Final Showdown (Outlaws of Thunder Junction #11)
Getaway Glamer (Outlaws of Thunder Junction #14)
Great Train Heist (Outlaws of Thunder Junction #125)
Insatiable Avarice (Outlaws of Thunder Junction #91)
Jailbreak Scheme (Outlaws of Thunder Junction #53)
Lively Dirge (Outlaws of Thunder Junction #93)
Metamorphic Blast (Outlaws of Thunder Junction #57)
One Last Job (Outlaws of Thunder Junction #22)
Phantom Interference (Outlaws of Thunder Junction #61)
Requisition Raid (Outlaws of Thunder Junction #26)
Return the Favor (Outlaws of Thunder Junction #142)
Rush of Dread (Outlaws of Thunder Junction #104)
Rustler Rampage (Outlaws of Thunder Junction #27)
Shifting Grift (Outlaws of Thunder Junction #66)
Smuggler's Surprise (Outlaws of Thunder Junction #180)
Three Steps Ahead (Outlaws of Thunder Junction #75)
Trash the Town (Outlaws of Thunder Junction #186)
Unfortunate Accident (Outlaws of Thunder Junction #111)

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