Magic the Gathering: Guildpact Player's Guide by Wizards of the Coast, Mike Turian, Henry Stern, Nick Percival, Christopher Moeller, Gábor Szikszai, Kevin Walker, Martina Pelcerova, Greg Staples, Daren Bader, Mark Romanoski, Jim Nelson, Todd Lockwood, John Avon, Jim Murray, Glen Angus, Wayne Reynolds, Dan Scott, Carl Critchlow, Adam Rex, Alex Horley-Orlandelli, Ron Spears, Zoltán Boros