17 cards where the name is exactly “glacial fortress”

Glacial Fortress (Tales of Middle-earth Commander #315)
Glacial Fortress (Magic 2010 #226)
Glacial Fortress (Magic 2011 #225)
Glacial Fortress (Magic 2012 #227)
Glacial Fortress (Magic 2013 #225)
Glacial Fortress (Fallout #266)
Glacial Fortress (Fallout #497)
Glacial Fortress (Fallout #794)
Glacial Fortress (Fallout #1025)
Glacial Fortress (Ixalan Promos #255p)
Glacial Fortress (Ixalan Promos #255s)
Glacial Fortress (Secret Lair Drop #456)
Glacial Fortress (Doctor Who #285)
Glacial Fortress (Doctor Who #501)
Glacial Fortress (Doctor Who #876)
Glacial Fortress (Doctor Who #1092)
Glacial Fortress (Ixalan #255)

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