Regarding shadow strikers from my experience so far this season

first 2 are non-shadow, the last picture is the shadow. Obviously, my shadowstriker has the edge by being higher stats also.

Click image for larger version.  Name: NONSHADOW1.jpg  Views: 157  Size: 45.4 KB  ID: 8802Click image for larger version.  Name: nonshadow2.jpg  Views: 153  Size: 46.9 KB  ID: 8803Click image for larger version.  Name: SHADOW.jpg  Views: 161  Size: 49.5 KB  ID: 8801