Why does Gandalf have elven ring?

Related questions

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2. What is Sauron's eye?
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4. Why did Sauron make the ring?
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Tags

1. #third
2. #elven
3. #assumed
4. #until
5. #gandalf
6. #presumably
7. #unlike
8. #magic
9. #involved
10. #concealed
11. #elrond
12. #holder
13. #galadriel
14. #exactly
15. #earth
16. #bearers
17. #middle