The perfect event for Halloween could be Chaos draft! (featuring innistrad, wolrdwake, onslaught, rise of the eldrazi, avacyn restored, mirrodin besieged...) In total 24 different boosters for 18euro. Players who come dressed up get 1 battle for zendikar booster for free. A mask or facial mascara + clothes are a must!!

Winner : 2 picks from the OPG treasure chest + 1 battle for zendikar Hedron + 1 FNM foil
2nd-4th : 1 pick from the OPG treasure chest!

Random prize : 1 Modern Master 2015 booster + 2 FNM foils. (all competitors of all pots get 1 die roll, highest roll chooses first)