just a suggestion, you could order the dual class cards like this :
- Druid/Hunter
- Hunter/Demon Hunter
- Demon Hunter/Warlock
- Warlock/Priest
- Priest/Paladin
- Paladin/Warrior
- Warrior/Rogue
- Rogue/Mage
- Mage/Shaman
- Shaman/Druid
just for better viewing experience
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