Aggressive black decks make heavy use of discard spells to shred an opponents opening hand, and then overwhelm them before they can recover
Most decks run around 35-40 lands
Qliphort - I really haven't tested against April 15 Qliphort at all but I imagine the matchup improved a lot since Vanity's went to 1
Other notable flying creatures at this exact mana cost are Skirge Familiar, Grotesque Hybrid, Cairn Wanderer, and He Who Hungers
Skeletons in the Coat Closet: Empress wears a helmet made from a skull, Augusta adds skull shoulder guards on top of the helmet, Blowpiper has skull-adorned knee-guards and a small skull on her blowpipe, and Spy has skull shoulder-guards
English support is solid, and they provide clear customs/duty information for multiple countries on their site