matc-1.0.0-hotfix.jar is a release file of the Minecraft mod Mystical Agriculture Tiered Crystals, made for Minecraft 1.12.2. It was published on July 26, 2018 and is 0 MB in size. For the full description, screenshots and every other version, visit the Mystical Agriculture Tiered Crystals mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
