Earlier description of patch 12.17 in LoL. A complete list of all nerfs and buffs for the update

What changes will come to League of Legends next patch?
League of Legends regularly receives fixes that address both heroes and items or other gameplay elements, such as runes. With the Worlds championship approaching, the devs are releasing changes aimed at the professional League scene, which casual players might not like.
In the upcoming patch 12.17 there are major three champion changes and balance tweaks. What is the actual list?
Patch 12.17
Champions’ buffs
- Miss Fortune
- Double Up (Q)
- Damage increased 20/40/60/80/100 (+100% AD) (+35% AP) >>> 20/45/70/95/120 (+100% AD) (+45% AP)
- Cast time reduced 0.25 seconds >>> matches basic attack time
- Strut (W)
- Mana cost reduced 45 >>> 35
- AS increased 40/55/70/85/100% >>> 50/65/80/95/110%
- Make it Rain (E)
- Cooldown increased 18/16/14/12/10 >>> 18/17/16/15/14 seconds
- Total damage adjusted 80/115/150/185/220 (+80% AP) >>> 70/100/130/160/190 (+100% AP)
- Slow adjusted 40/45/50/55/60% >>> 50% (+4% per 100 AP)
- Bullet Time (R)
- Bonus Critical Chance Damage increased 20% >>> 30% of each wave’s damage
- Double Up (Q)
- Twisted Fate
- Wild Cards (Q)
- AP ratio increased 70% >>> 80%
- Pick a Card (W)
- Mana cost reduced 40/55/70/85/100 >>> 30/40/50/60/70
- Wild Cards (Q)
- Kassadin
- Null Sphere (Q)
- Cooldown reduced 11/10.5/10/9.5/9 >>> 10/9.5/9/8.5/8 seconds
- Mana cost reduced 70/75/80/85/90 >>> 60/65/70/75/80
- Null Sphere (Q)
- Rell
- Ferromancy: Mount Up (W)
- Dismounted movespeed increased 250 >>> 280
- Attract and Repel (E)
- Cooldown adjusted 18/16.25/14.5/12.75/11 >>> 15 flat seconds
- Ferromancy: Mount Up (W)
- Graves
- End of the Line (Q)
- Cooldown adjusted 12/11/10/9/8 >>> 13/11.5/10/8.5/7 seconds
- Collateral Damage (R)
- Base damage increased 250/400/550 >>> 275/425/575
- End of the Line (Q)
- Nocturne
- Base stats
- AS ratio increased 0.668 >>> 0.721
- Umbra Blades (P)
- Cooldown reduced 14 >>> 13 seconds
- Base stats
- Ezreal
- Arcane Shift (E)
- Cooldown reduced 28/25/22/19/16 >>> 26/23/20/17/14 seconds
- Arcane Shift (E)
- Camille
- Adaptive Defenses (P)
- Max HP ratio increased 17% >>> 20%
- Hookshot (E)
- AD ratio increased 75% >>> 90%
- Adaptive Defenses (P)
- Sett
- Haymaker (W)
- AD ratio increased 20% per 100 bAD >>> 25% per 100 bAD
- Facebreaker (E)
- Slow increased 50% >>> 70%
- Haymaker (W)
- ALSO – The September LoL Capsule for Prime Gaming is now available. What can you get as a subscription?
Champions’ nerfs
- Nami
- Tidecaller’s Blessing (E)
- Only counts as 1 damage instance
- Tidecaller’s Blessing (E)
- Taric
- Base stats
- Base MR reduced 32 >>> 28
- Dazzle (E)
- Cooldown increased 15/14/13/12/11 >>> 16/15/14/13/12 seconds
- Base stats
- Azir
- Arise! (W)
- Sand soldier AP ratio reduced 60% >>> 55%
- Shifting Sands (E)
- Cooldown increased 19/18/17/16/15 >>> 22/20.5/19/17.5/16 seconds
- Arise! (W)
- Ahri
- Base stats
- Base HP reduced 570 >>> 550
- Charm (E)
- Duration reduced 1.4/1.55/1.7/1.85/2 >>> 1.2/1.4/1.6/1.8/2 seconds
- Base stats
- Sylas
- Base stats
- Base HP reduced 595 >>> 575
- Chain Lash (Q)
- Cooldown increased 10/9/8/7/6 >>> 11/10/9/8/7 seconds
- Base stats
- Trundle
- Frozen Domain (W)
- Cooldown increased 15/14/13/12/11 >>> 18/17/16/15/14 seconds
- Frozen Domain (W)
- Wukong
- Base stats
- Base movespeed reduced 345 >>> 340
- Base AS reduced 0.711 >>> 0.68
- Base stats
- Sivir
- Base stats
- AD per level reduced 3 >>> 2.8
- Ricochet (W)
- AD ratio reduced 30/35/40/45/50% tAD >>> 25/30/35/40/45% tAD
- Base stats
- Renekton
- Cull the Meek (Q)
- Base damage adjusted 65/100/135/170/205 (+80% bAD) >>> 60/90/120/150/180 (+100% bAD)
- Empowered damage adjusted 100/150/200/250/300 (+120% bAD) >>> 90/135/180/225/270 (+140% bAD)
- Cull the Meek (Q)
Champions’ changes
- Maokai
- Sap Magic (P)
- Cooldown is now reduced 1.5 seconds per auto from large jungle monsters
- Heal adjusted 5-45 (+4.5-11% max HP) >>> 4-34 (4.8-14% max HP)
- Bramble Smash (Q)
- Base damage adjusted 70/110/150/190/230 >>> 65/110/155/200/245
- Now does 2/2.25/2.5/2.75/3% max HP of the target damage
- Now deals 40/60/80/100/120 bonus damage to monsters
- Sapling Toss (E)
- Base damage total adjusted 20/45/70/95/120 (+7/7.25/7.5/7.75/8% (+0.7% per 100 AP) of the target’s max HP) >>> 55/70/95/120/155 (+42.5% AP) (+6% Maokai’s max HP)
- Brush empowered sapling damage is still doubled but using the new ratios, not max HP of the target
- Minions are not dealt the brush empowered sapling damage, only the base
- Mana cost reduced 60/70/80/90/100 >>> 45/55/65/75/85
- Slow amount increased 35% >>> 45%
- Brush empowered saplings now slow 45% (+2% per 100 AP) (+0.6% per 100 bHP)
- Nature’s Grasp (R)
- Speed increased 50-650 >>> 100-750 (initial to max speed)
- Acceleration increased 250 >>> 300
- Maokai now gains movespeed on champion hit of 40-60% (decaying over 2 seconds)
- Sap Magic (P)
- Hecarim
- Rampage (Q)
- Damage adjusted 60/90/120/150/180 (+90% bAD) > >> 60/85/110/135/160 (+95% bAD)
- Damage per stack increased 2% (+3% per 100 bAD) >>> 4% (+6% per 100 bAD)
- Cooldown per stack reduced 1 >>> 0.75 seconds
- Max number of stacks 2 >>> 3
- Stack falloff adjusted all at duration end >>> 1 stack per second at duration end
- Mana cost adjusted 28/31/34/37/40 >>> 30
- Spirit of Dread (W)
- Now gains 15/20/25/30/35 Armor and MR while active
- Devastating Charge (E)
- Damage bAD ratio reduced 55-110% >>> 50-100% based on distance traveled
- Knockback reduced 250-450 >>> 150-350 based on distance traveled
- Cooldown adjusted 20/19/18/17/16 >>> 17 flat seconds
- Onslaught of Shadows (R)
- Fear duration reduced 0.75-2 >>> 0.75-1.5 seconds based on distance traveled
- Rampage (Q)
Items’ changes
- Stopwatch
- Cost increased 650 >>> 750 gold
- Zhonya’s Hourglass
- Cost increased 2600 >>> 3000 gold
- AP increased 65 >>> 80
- AH increased 10 >>> 15
- Seeker’s Armguard
- AP increased 20 >>> 30
- Guardian Angel
- Cost increased 2800 >>> 3000 gold
- AD increased 40 >>> 45