These changes of yours have created a monster
pro's:
- you've updated tanks, cool, as a braum player i like that
- you've updates support items, i like that
- You've changed sejuani, zac, and maokai, cool, i like that. cons:
- with ga now having ad, adc's can get it, be tanky, have a 2nd life, and still deal plenty of damage
- with deaths dances changes and increased healing from spirit visage you've buffed fiora a TON(i play her but even I see its a bit ridiculous)
- you've done nothing about turrets or turret aggro
I feel like theres more but I can't think of any, feel free to add to the list and share your pro's and cons of the midseason update.
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which is basically a "screw you" to almost every damage dealer besides the ADC.
yet I still hardly see maokai...
which chances are will only be taken by the ADC as they can use it and any other lane would waste about 300 gold,
is situational and has a long CD 
is for low HP people (why it is I don't know. chances are you want to stop the healing when they go from 80% HP to 100%. and you only stop it when they are almost dead) 
...that kinda forces a pick.