Is Masters 25 modern legal?

Related questions

1. What is a spirit dragon?
2. Do Planeswalkers have summoning sickness?
3. How many elder dragons are in MTG?
4. How many Planeswalkers are in the war of the spark?
5. How often does magic rotate?
6. Can I play MTGO for free?
7. What is legacy MTG?
8. Is War of the spark standard?
9. What is modern magic?
10. Can you have two legendary creatures out at the same time?

Tags

1. #modern
2. #inclusion
3. #legal
4. #other
5. #majority
6. #doesn
7. #format
8. #formats
9. #cards
10. #change
11. #masters
12. #standard