{G}{P} yanmega-giratina X plus vilegar. A little wicked, but it could work. Here it is:
1-1-2-1-2 (1 LA, & 1 UD oddish, 2 UD gloom, 1 LA vileplume, and 2 UD vileplume.)
2-1-1-1-1 (2 SF Gengar,1 hidden poison haunter, 1 SF haunter and 2 PA gastly.)
2-2-3 (2 SF duskull & dusclops, and 1 dark...