I mained Shadow for some time, I wasnt really good at it, but understood the basic mechanics Shadow isnt a deck for new players, it requires upgrades and skill, things I did not have too much On the other hand, it is surely most fun to play. I didnt use Witchclaws, but I did use Wrathblades, as they were my favourite S/S counters. Nasty surprise was really good against Fire T1 rush, and combining Shadow Phoenix with Embalmers Shrine made it come back almost always Also be carefull with Phase Tower rush, when they are split up, their range is rangerous even against Fire with Eruptions Life Weaving is better than Unholy Power when these two fight against each other, a bit tricky when any creature is CC'd If I remember some more stuff, I will let you know When Nature is concerned, it was my least favourite deck thus I dont have much experience with...