Return to Ravnica features 274 black-bordered cards, including randomly inserted premium versions of all cards in the set. The Return to Ravnica Core Set is available in booster packs, intro packs, and fat packs
Set Name: Return to Ravnica Number of Cards: 274 Twitter Hashtag: #MTGRTR
Design Team: Ken Nagle (lead), Zac Hill, Alexis Janson, Mark Rosewater, Ken Troop
Development Team: Erik Lauer (lead), Zac Hill, Dave Humpherys, Tom LaPille, Adam Lee, Billy Moreno, Shawn Main
Return to Ravnica Mechanics
Ravnica: the metropolis of the Multiverse. Though the Guildpact spell has been broken, the ten guilds live on in this city-covered plane. Five of them lie within. Choose your allegiance carefully, Planeswalker.
Prereleases: September 29-30, 2012 Release Date: October 5, 2012 Launch Weekend: October 5-7, 2012 Magic Online Release: October 15, 2012 Game Day: October 27-28, 2012
For the Return to Ravnica Prerelease, you'll choose from five Guild Prerelease Packs. The options (while supplies last) are Azorius, Izzet, Rakdos, Golgari, and Selesnya. Each Guild Prerelease Pack contains five Return to Ravnica booster packs, a guild-specific booster pack, a special alternate-art prerelease card unique to each guild, an achievement card, a Spindown life counter, a guild symbol sticker, and a letter from the guild's leader.
Note: For this event, players may use the promo card included with the Guild Prerelease Pack in their tournament deck.