Leveling up a card increases the bonus percentage of that card's basic player booster. The maximum level that can be reached is based on the given card's rarity:
- Common: Level 1 to 3
- Premium: Level 1 to 5
- Legendary: Level 1 to 7
Leveling up a card increases the bonus percentage of that card's basic player booster. The maximum level that can be reached is based on the given card's rarity: