one of my favourite is quickness + nether darts (hard to get but can be used with marsh master with astral random) and i also like false horror/raise skeletons with quickness which are most often used by caelum and miamasa respectively .
give us a specific nation then maybe we help more (with a bunch of death increasers in late game i have a bunch of marsh masters with bone grinding
(which rocks if use en mass)
and of course with miamasa its VERY useful to have 1 or 2 mages casting quickness and relief