I prefer running Garbodor and 1 Hex Maniac as I should ideally use Shaymin/Hoopa on turn 1 or 2.
Consider that you can stop GiratinaEX (which shuts down your M-ScizorEX), VolcanionEX, and Greninja BREAK, and every other ability your opponent tries to use.
And there is very ,very limited tool...