May 2017
I got this one out of the 15K packs, both parts.
May 2017
I bought 1st piece from Rux (1 million coins) then 2nd piece from Birthday pack 2 weeks ago.
The birthday pack were so awesome. I got 2nd piece of Toxic Brainz as well and 7 legendary hats !!!
Birthday pack is Best sticker pack ever !