What does enchanting a card do in Hearthstone?

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Tags

1. #while
2. #collection
3. #directly
4. #cards
5. #quantity
6. #create
7. #allows
8. #granting
9. #arcane
10. #crafting
11. #unwanted
12. #system
13. #accessed
14. #consumes
15. #exchange
16. #players
17. #destroy
18. #produce
19. #hearthstone
20. #through
21. #element
22. #screen
23. #disenchanting