How many legendary creatures can be in a deck?

Related questions

1. Can a commander be sent to your hand?
2. Can your commander go to your hand?
3. Do pendulum monsters go in the main deck?
4. Do Planeswalkers count as legendary?
5. Can you lightning bolt a Planeswalker?
6. How many Planeswalkers can you have in your deck?
7. What goes in the side deck?
8. How much are Tix MTGO?
9. How many lands should be in a sealed deck?
10. Can you attack the same turn you summon?

Tags

1. #legend
2. #their
3. #control
4. #legendary
5. #player
6. #controls
7. #given
8. #called
9. #chooses
10. #graveyards
11. #permanents
12. #owners