Known filenames:
mystcraft-1.7.10-0.11.4.00.jar
mystcraft-1.7.10-0.11.4.00 (1).jar
Mystcraft-0.11.4.00.jar
Mystcraft - 0.11.4.00.jar
BIOM_mystcraft-1.7.10-0.11.4.00.jar
Mystcraft (Easter Components) 1.7.10-0.11.4.0.jar
[1.7.10] mystcraft-0.11.4.00.jar
[1.7.10] mystcraft-1.7.10-0.11.4.00.jar