Morgana Runes explained
There's one set of runes for Morgana on patch 14.9 that is the clear favorite for LoL players and pros alike. The best Morgana rune paths on the position 
Support are 
Inspiration as the primary path and 
Sorcery as the secondary path with a pick rate of 48%. Besides picking runes on Morgana you should learn how to play Morgana and if you are interested in pro matches take a look on how a pro builds Morgana. If you want to discuss 
Morgana then you should visit the champion subreddit.
Morgana runes from primary path
Inspiration opens creative opportunities on Morgana troughout the match. Most of high elo players – and our LoL pros in the the major regions – have agreed that 
Glacial Augment is the best keystone rune to run on Morgana. This keystone rune slows enemy champion on your first basic attack. This slow can by followed up by a skill shot of Morgana to force the opponent in a dangerous situation. Other primary runes on Morgana are 
Triple Tonic, 
Biscuit Delivery and 
Cosmic Insight.
You will receive a Perfectly Timed Stopwatch for free, which can cause a moment of surprise for your enemy team. Biscuit Delivery is a great rune for laning as it gives additional health and mana, which can help in more aggressive lanes. Cosmic Insight grants summoner spell and item haste.
Morgana runes from secondary path
When it comes to your secondary path, most Morgana players prefer to go with Sorcery. Sorcery empoweres abilities of Morgana and increases the available champion resources. On the Sorcery path, the best runes for Morgana are Manaflow Band and Transcendence.
This is usually followed up by taking Manaflow Band for additional mana and mana regenaration. Transcendence for some more Ability Haste.
FAQ for Morgana Runes
Which is the best keystone rune on Morgana?
The best keystone rune on Morgana is Glacial Augment. This Morgana runes setup is then referred as Morgana Glacial Augment.
What runes does Morgana use?
Runes from the paths Inspiration and Sorcery are the most used runes on Morgana. For the exact pick rates of Morgana runes used, you have to study the rune distribution presented.