Hearthstone Top Decks - Check out the Hearthside Chat that explains more about the Magnetic keyword, and the four new Mechs that were revealed! http://www.hearthstonetopdecks.com/hearthside-chat-magnetic -keyword-mechanic-the-boomsday-project ...
Hearthstone Announces Next Expansion with The Boomsday Project
The Boomsday Project™ Subjects Hearthstone® Players to the Wacky Wonders of Science Starting August 7 | Business Wire
Boomsday Project Guide - Best Decks and more | Eurogamer.net