Hi I’m new on the forums but here goes. Can people help me collect their favorite Dark Magic mods so we will have one thread with all of them in it. I have one good one.
http://www.youtube.com/watch?v=uzi9nhyWgLs
Please remember to post if they are reversible or not. The one I posted is completely reversible. Thank you. 
note: I did not make this video and have nothing to do with the maker.