35-Card Boosterr Packs. Theme Boosters are 35-card booster packs full of cards based on a single theme. There's a different pack for each color, and one based on the "party" mechanic.
The best booster for deckbuilding. Theme Boosters let you pick which color cards you want. Building a mono-red aggro deck? Get the red booster. Need beasts for your green deck? Go with green.
Intorducing "Party." Assemble a party from four adventuring classes (Cleric, Rogue, Warrior, Wizard) and become stronger together with rewards for each class joining you on the battlefield.
Explore Zendikar. On Zendikar, danger is the norm: wild terrain, cunning predators, and "the Roil"—violent ripples of change—all make life precarious and full of adventure.