User blog comment:Arezaei/Battle Arena Records/@comment-10507459-20130607054025/@comment-10507459-20130607084421

I found the solution!

Due to the magic of Stone is as same as green hybird, Zombie which is green hybird eliminated by Night Elf before, then, i used Night Elf KO Stone

Night Elf (10) > Stone (10) M ,   for reference.