14 cards where the illustration contains “oran-rief-forest”

Blighted Woodland (Battle for Zendikar #233)
Crash of Rhino Beetles (Commander 2018 #29)
Gravity Well (Rise of the Eldrazi #185)
Grazing Gladehart (Zendikar #163)
Oran-Rief Ooze (Zendikar Rising #361)
Oran-Rief Recluse (Zendikar #173)
Oran-Rief Survivalist (Zendikar #174)
Oran-Rief, the Vastwood (Zendikar #221)
Ruins of Oran-Rief (Oath of the Gatewatch #176)
Vastwood Fortification // Vastwood Thicket (Zendikar Rising #216)
Vastwood Fortification // Vastwood Thicket (Zendikar Rising #216)
Vastwood Gorger (Zendikar #192)
Vastwood Surge (Zendikar Rising #217)
Vastwood Zendikon (Worldwake #117)
Vines of Vastwood (Zendikar #193)

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