How many familiar faces can you spot in that cover?

In the days of October before the night of Halloween, a group of magicians gather with their familiars to prepare for the Great Game. The players may be Openers or Closers. None of them know who is an ally and who is an enemy. The familiars work amongst themselves for information and knowledge, watching their masters and drawing up the patterns for the final fateful night. Loyalties are tested, deals are forged and broken, players are hunted...