Maguschild what Groundon ex and what Altari ex do you want. Other than that my offer would be
Altaria ex and Groundon ex for Creselia Holo and the Holo Basic Darkness Energy.
lilgroudon I have Ludicolo, Lugia, Golem all from SW, and I also have 2 Delcatty.
I want your Electivire LV X. If you don't think thats fair I can throw in some other stuff.