General utility and map pressure.
Creative tools and rule bending
Swap Summoner Spells while out of combat. Swapping to unique Summoner Spells will increase the rate at which you can make future swaps.
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.
Get a free biscuit every 3 minutes, until 12 minutes. Biscuits heal and permanently increase your max mana.
+5% Max CDR
+5% Summoner Spell CDR
+5% Item CDR
35-300 health (at levels 1-18)
After 10 minutes gain 8 Armor and 8 Magic Resist and increase your total Armor and Magic Resist by 5%.
Heals and shields are 5% stronger and increased by an additional 10% on targets below 40% health.
Rakan's massive CC and utility when paired with Spellbook allows you to apply your pressure and utlity across the entire map.
Magical Footwear lets you hit those mid-game 2 item power spikes just in to for a game winning teamfight.
Biscuit Delivery provides excellent mid-fight healing. Perfect for those scrappy trade situations where you engage as Rakan and need to absorb a bit of damage before dashing out.
Cosmic Insight's general strength improve both your Spellbook efficiency as well as general utility strength.
Conditioning makes you a strong mid-game initiator and ensure that you don't get instantly blown up upon dashing in.
Revitalize synergizes well and buff both the heal of your [Q] as well as the shield from [E].