How many mythic rares are in a box?

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Tags

1. #rarity
2. #usually
3. #giving
4. #reason
5. #chance
6. #printing
7. #booster
8. #there
9. #mythic
10. #sheet
11. #about
12. #previous
13. #cards
14. #instead
15. #approximation
16. #rares