Heya, last one went well so I figured I'd toss some more ideas out - vote below:
https://www.strawpoll.me/19163115

Berserker's Hide - A woman procures an ancient pelt at a flea market that seemingly bonds to her
A Growing Hulk - After being exposed to dangerous magical waste, a small ratkin quickly finds himself outgrowing his home
Thundering Terror - An urban explorer interrupts a ritual with monstrous results
Cabin In The Woods - A centaur deliveryman is forced to stay the night inside the home of a suspicious wolf

Each is MG related as usual, I'm interested in seeing the results and hearing your thoughts