I don't generally post lists but this one was something special. I don't need to sell anyone on praxis being good but Jekk needs a little explaining. Jekk is a powerful threat on its own that lines up well against all the threats people are playing (can even attack into kerasaur). Magus has incredible synergy with Jekk (and Worldbearer). The plan to ramp out a big threat with dorks gets even better when the dorks are getting buffed (and you don't have to play an obelisk that's a dud in a topdeck war). Why no dawnwalker? It just seemed like the worst card here. Left it in the market for grindy matchups but I found that it couldn't attack most of the time that I played it. Trail maker is a necessary evil to play triple fire or triple time on 5.
TL;DR If you're playing praxis I think the Magus/Jekk/Worldbearer package is very good.