Bloomburrow - Play Booster
Play boosters contain 14 playable cards, with up to 4 rares.
Bloomburrow is set on the plane of Bloomburrow, a world of cute anthropomorphic animals with no humans in it. This world is full of squirrels, frogs, mice, and rabbits, showing that even the smallest creatures can have a big impact. The animals have an advanced culture and are the main characters of the set. - (MTG Wiki)