How rare is a foil mythic?

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Tags

1. #appear
2. #common
3. #according
4. #chance
5. #packs
6. #rares
7. #crystalkeep
8. #average
9. #commons
10. #would
11. #conflux
12. #uncommons
13. #there
14. #uncommon
15. #getting
16. #about
17. #every
18. #foils
19. #mythic