Seems like the viability of this Garchomp would depend on the Gible/Gabite it comes with. If they have a decent protection ability or setup attack, would be a cool budget deck.
Then again, we've had the 'grab more Kirlias' Kirlia and the Gardevoir still couldn't compete with the rest of the meta.
Then again, we've had the 'grab more Kirlias' Kirlia and the Gardevoir still couldn't compete with the rest of the meta.