I don't even know how to play her, I logged on and they completely changed her.
Starfall isn't an AOE? My heal takes my health? I can't inject mana into other champions?
What the fuck?
heal costs %health (and a small amount of mana) but has a short cooldown, so build health regen and resistances and not health pool (talisman of ascension is a primo item for soraka... orb of winter also if you're on aram)
levelling up your heal causes starfall to give you health back for each enemy champ it hits (ie. max heal first)
starfall falls faster the closer you are to your target
silence is now an aoe with a swain-style snare
ult largely unchanged
passive makes you a speedy ambulance when a nearby ally is low
the idea is that you heal as fuck and starcall your enemies to get your health back. you basically become a conduit for transferring your enemies' health into your allies