Rakan's CD are too long
I played him a few times and it feels like his spells cooldown are wayyyy too long both early and lategame, even with 40% CDR. If you miss your W you have to burn E to get out and you're a sitting duck for the next 20 seconds. His Q is the most underwhelming Q ability i've seen on any champion. Low range, low damage, no CC, single target skillshot that offers a weak heal ONLY if it hit a target and it's blocked by minions.
At least other supports with long cooldowns have some kind of passive that they can rely on to dish out a bit of extra damage and apply pressure or offer utility.
Rakan's W is similar to Alistar's W-Q combo in both function and cooldown, but at least Alistar is tankier and can still follow up with his passive and Trample for some additionnal presence.
Taric has very long cooldown too, but he has passive to deal extra damage and shorten his cooldowns.
I'm still having fun with Rakan, it just feels reaaallly lame when i miss a combo and am left with nothing to do for almost 20 seconds.