The Oath of the Gatewatch master set contains 184 cards. Each booster pack contains 15 random cards from the set: 1 Rare or higher card, 3 Uncommon cards, 10 Common cards, and 1 Land card. The OGW set includes randomly inserted premium foil versions of all cards. The expansion symbol of the set looks like a stylized representation of Kozilek's brood, but it also has similarities with hedrons, usual for Zendikar sets. The set will feature two Planeswalkers and also will contain the full-art lands from Battle for Zendikar (complete with the original expansion symbol). - Oath Of The Gatewatch Introduces the colorless mana symbol '' (which differs from the 'many of any color' mana) - Oath Of The Gatewatch Introduces 'Wastes', the first 'typeless' basic lands.(Wastes will be twice as common as a normal common in boosters) - Oath Of The Gatewatch Introduces Surge ('You may cast this spell for its surge cost if you or a teammate has cast another spell this turn')