I don't recall seeing this one pointed out here before, so here's another brush-pass with Crossovers Which Should Not Be that disturbs and amazes in its viability:
A Slayer Transformed by Philister.
A Faith-centric crossover...with Transformers:RiD.
A Slayer Transformed by Philister.
A Faith-centric crossover...with Transformers:RiD.