From WotC Official Coverage of the Community Cup Challenge
The 2013 Community Team did the Magic Online Community proud, earning not only bragging rights, but also granting every Magic Online player who logged in between Friday, August 30, at 10 a.m. PDT and Saturday, August 31, at 7 p.m. PDT, during the Community Cup a premium foil Sliver Queen promo and a Rakdos Cackler FNM promo.
The 2013 Community Team did the Magic Online Community proud, earning not only bragging rights, but also granting every Magic Online player who logged in between Friday, August 30, at 10 a.m. PDT and Saturday, August 31, at 7 p.m. PDT, during the Community Cup a premium foil Sliver Queen promo and a Rakdos Cackler FNM promo.