Rarities affect the likelihood of a card appearing in boosters. The rarity colours are:

  • Grey: Common.

  • Green: Rare.

  • Purple: Epic.

  • Golden: Legendary.

You can add up to 2 copies of Common, Rare and Epic cards to your deck, but just 1 copy of Legendary cards.

Cards with Orange rarity are Special, non-collectible cards, such as Defenses.