Prediction Cards in Career Mode come in different rarity tiers, which define how powerful and unique they are:
Common: The base tier — easy to collect and form the foundation of your deck.
Uncommon: More impactful than Common, offering stronger plays with moderate availability.
Rare: Harder to unlock, but significantly more powerful when used in Arenas.
Epic: Extremely valuable and limited, delivering high-impact advantages.
All cards, regardless of rarity, can be leveled up to the same maximum level. What makes rarities important is simple: the rarer the card, the better it performs. Unlocking and upgrading Rare or Epic cards is the fastest way to gain an edge over your opponents.