Kistkastare

Concept: “It's dead.  It drags a coffin with a chain and spins it around until it hits PCs.  No assembly required!”
Content: skeleton x1; chain x1; coffin x1
Writing: Concise and highly functional
Art/design: Laid out for accessibility and easy use
Usability: Attack-randomization table balances the monster’s heftiness and is a novel way to add some chaos to your fights