Malzahar Runes explained
There's one set of runes for Malzahar on patch 15.14 that is the clear favorite for LoL players and pros alike. The best Malzahar rune paths on the position 
Mid are 
Sorcery as the primary path and 
Inspiration as the secondary path with a pick rate of 66%. Besides picking runes on Malzahar you should learn how to play Malzahar and if you are interested in pro matches take a look on how a pro builds Malzahar. If you want to discuss 
Malzahar then you should visit the champion subreddit.
Malzahar runes from primary path
Sorcery empoweres abilities of Malzahar and increases the available champion resources. Most of high elo players – and our LoL pros in the the major regions – have agreed that 
Arcane Comet is the best keystone rune to run on Malzahar. This keystone rune adds more damage to your abilities and increases your power in the laning phase. Other primary runes on Malzahar are 
Manaflow Band, 
Transcendence and 
Gathering Storm.
This is usually followed up by taking Manaflow Band for additional mana and mana regenaration. Transcendence for some more Ability Haste. Gathering Storm increases your late game power.
Malzahar runes from secondary path
When it comes to your secondary path, most Malzahar players prefer to go with Inspiration. Inspiration opens creative opportunities on Malzahar troughout the match. On the Inspiration path, the best runes for Malzahar are 
Cosmic Insight and 
Magical Footwear.
Cosmic Insight grants summoner spell and item haste. Magical Footwear allows Malzahar to focus on those essential core items without the need to spend the additional 300 gold on boots.
FAQ for Malzahar Runes
Which is the best keystone rune on Malzahar?
The best keystone rune on Malzahar is Arcane Comet. This Malzahar runes setup is then referred as Malzahar Arcane Comet.
What runes does Malzahar use?
Runes from the paths Sorcery and Inspiration are the most used runes on Malzahar. For the exact pick rates of Malzahar runes used, you have to study the rune distribution presented.