It also comes with six stickers, pictured below.
In case you can't see, stickers are Princess Celestia, Fluttershy and Angel, the Cutie Mark Crusaders, Applejack, Twilight Sparkle and Pinkie Pie, and Rarity and Rainbow Dash.
Magazine also comes with a bonus surprise ring. The pony featured is random per issue.
Images and info thanks to ~SonicRainboomsXD on deviantART.