Steps:
1 Open Pokemon X or Y
2 Select Mystery Gift
2 Select Receive Gift
4 Select Get With Code
5 Enter Code
6 Load Game Speak with delivery girl in Pokemon center to receive your gengar
7 SAVE GAME
CODES:
A4Z7S83FAWD2NUDZ
A4Z7S7WDF57NQMNH
A4Z7S7UCX52TP22X
A4Z7S7MDEYQ52AZZ
A4Z7S7LXAGJK7S6R
Date says 10/13 to 10/26 But I jut used a code today and still got one so if anyone wants one
codes can only be used once and you can only use one code so you can get more then 1 :( i know i tried xD