In prerelease you will be given a prerelease kit with the following:

6 Bloomburrow™ Play Boosters; each Play Booster contains 14 Magic cards
1 foil, year-stamped Rare or Mythic Rare
1 Magic: The Gathering Arena code card (only available in select regions)
1 deck box
1 Spindown die

Entry: $35

With this kit you will construct a minimum 40 card deck, and play in a Swiss tournament.

Prizing:
0-1 wins – One Booster pack of Bloomburrow
2 wins – Two Booster packs of Bloomburrow
3 wins – Three Booster packs of Bloomburrow

In Bloomburrow, the Valley is threatened by elemental forces raging out of control, and salvation falls on the shoulders of its smallest protectors. Players will put their best paws forward, fighting alongside mice, frogs, bats, birds, and myriad other critters to restore the balance of peace—and prove bravery comes in all sizes.

Bloomburrow Prerelease Kit