Heavy focus on empowered shield/heals.
Empowered abilities and resource manipulation
Your attacks and abilities send Aery to a target, damaging or shielding allies.
Hitting enemy champions with a spell grants maximum mana.
After reaching 250 mana, Manaflow Band restores 1% of your missing mana every 5 seconds.
All movement Speed bonuses are 8% more effective on you.
Your first ability hit every 20s burns champions.
Creative tools and rule bending
You get free boots at 10 min. but you cannot buy boots before then. These boots give additional MS. For each takedown you acquire the boots 30s sooner.
+5% Max CDR
+5% Summoner Spell CDR
+5% Item CDR
+5 AD or 9 AP
Summon Aery makes Janna's [E] an incredibly strong and reliable shield.
Manaflow Band acts as our primary source of mana sustain in lane, allowing you to spam abilities more often for trades.
Janna is all about getting around the map quickly with her passive and [W]. Celerity empowers both of those.
Scorch on Janna allows you to provide reasonable lane poke pressure with [W] harassment.
Magical Footwear is a fantastic choice on many support champions as it empowers your ability to quickly get to your first important item completion and more Control Wards.
Cosmic Insight is a strong rune choice n enchanter support as the added CDR means a lot more utility in teamfights.