He sees you when you're sleeping; he knows when you're awake ...
He knows if you've been bad or good.
They exist since the image on this very site. And so where does one get their hands on a copy of the Arch Mage Treasure Room tiles? Also, in general, where can I get official copies of guys like the ogre and the merciless?
Please don't say "Check Ebay." No luck there!!!
Host a tournament - these goodies are Convention and Tournament giveaway pieces. If you host a tournament, let Asmodee know about it and they'll try to take care of you.