(2017) Hour of Devastation

Number of Cards: 184 Magic Open House: July 1-2, 2017 Prerelease Events: July 8-9, 2017 Release Date: July 14, 2017 Draft Weekend: July 15-16, 2017 Standard Showdown Begins: July 22, 2017 Game Day Weekend: August 5-6, 2017 Magic Online Launch: July 10, 2017 On Sale in Magic Online: July 14, 2017 Pro Tour Date: July 28-30, 2017 Official Three-Letter Code: HOU Twitter Hashtag: #MTGHOU