The campaign is officially opened now. There are 20 slots are opened for full-legendary rank. You can apply.
good to know that the campaign is back, I'm a previous participant of the campaign:
bitcointalk profile link:
https://bitcointalk.org/index.php?action=profilecurrent posts count (including this one): 9183
earned merits amounts in the last 120 days period: 20
BTC Address: 321fQLVy8fsiihAx6wXU4qgKmEbnU4Ft8h