There are 4 rarity types of cards, by increasing power:

  1. Common cards (no border)
  2. Rare cards (blue border)
  3. Epic cards (purple border)
  4. Legendary cards (orange border)

These 4 types have leveling costs. If you want to get specific cards, or improve cards, you have to check the Card gathering strategy.

The cards can be of 3 races :

  • Chaos (red background): high DPS, vampire, death and silence are often seen there.
  • Order (yellow background): medium DPS, block, mental shield, pierce, and freeze are seen there more often.
  • Nature (green background): lots of spikes and heals/buffs/debuffs.

All cards can have Card Effects.