Though, throwing this in does mean giving up a prize and a lower chance at the very much necessary Talonflame start, it will stop Garbotoxin from shutting down your abilities, at least long enough to KO it with a Shuriken and an attack.
Though, as they probably won't ever have Garbodor in the active you would probably have to run Lysandre in a deck that (atleast not the builds I've seen, as the deck's designed to snipe the bench rather than bring out the weaker benched mons) usually wouldn't
Then again, since that means you would have to waste a supporter for the turn AND throw in a free prize for the opponent... I guess you can just run Giovanni's Scheme to add +20 damage to make Greninja's main attack deal 100 for the knockout, but you wouldn't be able to use the Shurikens in the same turn
The main drawback to this is obviously having to risk your chances at a Talonflame start
unless you're planning on using it on a Trubbish, which at that point you should really just KO it.