User blog comment:Linathan/Guide: How to claim your FREE unit (Brave Frontier 2nd Anniversary) & Lucia/@comment-108.69.128.75-20151211172500/@comment-27508440-20151211234624

You absolutely cannot ask for Gazia, because he is a Global Exclusive mock. You can ask for any type and unit, as long as it's not a collab, mock, or  arena unit or beyond avant's batch.