It's a Reaction Figure Slime Pit He-Man (along with some color variants and Stinkor):
https://news.toyark.com/2019/04/10/m...ortment-341890
Anyone know the story behind all these colors?
Hordak is the toy colors.
Grayscale Man-At-Arms is from...?
Ram Man is vintage cardback colors?
Mer Man is so close to the other two Mer Mans that I don't know.
Teela is from the minicomics, although we've already gotten a green Teela.