Depending on which League Division you are placed in, you can take advantage of awesome perks that will help you build up your dream team deck!

You can climb up the divisions by earning coins a.k.a winning matches!
Leagues take into consideration the total coins amount earned after the last season reset.

There are currently 13 League Divisions:

Beginner
The Beginner Division is the lowest Division and it does not give the Player any perks.

Rookie I
The Rookie I Division will grant you the perk that increases your card drop rate per bag by 10%!
Rookie II
The Rookie II Division will grant you the perk that increases your card drop rate per bag by 20%!
Rookie III
The Rookie III Division will grant you the perk that increases your card drop rate per bag by 30%!

Junior I
The Junior I Division will grant you the perk that increases your card drop rate per bag by 40%!
Junior II
The Junior II Division will grant you the perk that increases your card drop rate per bag by 50%!
Junior III
The Junior III Division will grant you the perk that increases your card drop rate per bag by 60%!

Challenger I
The Challenger I Division will grant you the perk that increases your card drop rate per bag by 70%!
Challenger II
The Challenger II Division will grant you the perk that increases your card drop rate per bag by 80%!
Challenger III
The Challenger III Division will grant you the perk that increases your card drop rate per bag by 90%!

Master I
The Master I Division will grant you the perk that increases your card drop rate per bag by 100%!
Master II
The Master II Division will grant you the perk that increases your card drop rate per bag by 120%!

Grand Slam
The Grand Slam Division will grant you the perk that increases your card drop rate per bag by 140%!