16 cards where the text includes “awaken” and the set is “bfz”

Boiling Earth (Battle for Zendikar #142)
Clutch of Currents (Battle for Zendikar #72)
Coastal Discovery (Battle for Zendikar #73)
Earthen Arms (Battle for Zendikar #172)
Encircling Fissure (Battle for Zendikar #23)
Halimar Tidecaller (Battle for Zendikar #79)
Mire's Malice (Battle for Zendikar #117)
Ondu Rising (Battle for Zendikar #41)
Part the Waterveil (Battle for Zendikar #80)
Planar Outburst (Battle for Zendikar #42)
Rising Miasma (Battle for Zendikar #122)
Roil Spout (Battle for Zendikar #219)
Ruinous Path (Battle for Zendikar #123)
Rush of Ice (Battle for Zendikar #84)
Scatter to the Winds (Battle for Zendikar #85)
Sheer Drop (Battle for Zendikar #48)

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