0501 XY - WINTER2013 Garchomp (ENG) (M) .

This event was distributed to US players that purchased Pokemon X and Y from Walmart.
and the serial code bundled had Garchomp in Pokemon X and Scizor in Pokemon Y.

The serial codes itself wasn't locked respective version it came with.
(meaning it works on both X and Y).

Wondercard ID	501
PID	Cannot Be Shiny
Games	XY
Type	Serial Code
Dates	Nov 27 2013 - Jun 30 2014
Species	Garchomp
Nickname	(default)
Gender	Male
Level	50
Nature	Random
Ability	Sand Veil (1)
OT	WINTER2013
TID	11153
Location	a lovely place
Ribbon	Classic ,
Ball	Cherish Ball
Held Item	Dragon Fang
Moves	Slash Dragon Claw Dig Crunch	Relearn Moves	(None) (None) (None) (None)