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Dragon Chief
This set was released on January 31st, 2014 in English.
Includes support for Dragon World, Danger World, and Magic world, as well as Generic cards.
BR: 1 / SP: 12 / RRR: 8 / RR: 12 / R: 24 / U: 30 / C: 30
Each booster contains 5 random cards, one of them definitely being R or greater, and each display contains a pack containing flags for Dragon World, Danger World, and Magic World.