Using a Pookyball of rarity Common, Rare, Epic, Legendary, and Mythic you can predict the following leagues:

When using a Rooky (free) Pookyball, you can predict on any active League.

Winners of each Boosted (free) leaderboard will win a Common Pookyball worth $25. This unlocks the Pro Leagues prize pools.

Related articles:

What are the Pro Leagues?

What are the free Leagues?