Known filenames:
mystcraft-1.11.2-0.13.2.00.jar
mystcraft-1.11.2-0.13.2.00 (1).jar
mystcraft-1.11.2-0.13.2.00 (2).jar
Mystcraft-1.11.2.jar
Mystcraft.jar
Mantle-1.11.2-1.2.0.26 (2).jar
Mystcraft-Mod-1.11.2.jar
Mystcraft_1.11.2.jar
mystcraft-1.11.2-0.13.2.00(1).jar