I like Xenagos, God of Revels more as an R/G god, but I think he goes into a different deck than Klothys. Klothys is like a graveyard hate version of Sulfuric Vortex that also adds mana, while Xenagos, God of Revels is a top end finisher for Stompy.
Klothys might be fun, but I'm not jumping to...