Top augment choices for Vi include The Brutalizer (Silver), Outlaw's Grit (Gold), Dashing (Prismatic).
Overall
Dashing
DashingYour dash, leap, blink, or teleport Abilities gain @Haste@ Ability Haste.
Tier: S+
Pick %: 16%
Mystic Punch
Mystic Punch{{ Item_Keyword_OnHit }} reduce the cooldown of your abilities by @CooldownRefund@ seconds %i:scaleCooldown%.
Tier: S+
Pick %: 14%
Jeweled Gauntlet
Jeweled GauntletYour Abilities can Critically Strike. Gain %i:scaleCrit% @CritGranted@% Crit Chance.
Tier: S+
Pick %: 10%
Silver
The Brutalizer
The BrutalizerGain @AD@ Attack Damage, @AbilityHaste@ Ability Haste, and @Lethality@ Lethality.
Tier: S+
Pick %: 6%
escAPADe
escAPADeConvert Ability Power to Bonus Attack Damage. Gain @ADAmp*100@% Attack Damage.
Tier: S+
Pick %: 6%
Contract Killer
Contract KillerEach round, mark an opposing champion. That champion takes @DamageAmp*100@% extra damage and grants an +%i:goldCoins%@Gold@ gold when killed.
Tier: S+
Pick %: 5%
Gold
Outlaw's Grit
Outlaw's GritAfter using a Dash, Blink, or Teleport Ability you gain Armor and Magic Resist.
Tier: S+
Pick %: 9%
Thread the Needle
Thread the NeedleGain @PercentPen*100@% %i:scaleAPen% Armor Penetration and %i:scaleMPen% Magic Penetration.
Tier: S+
Pick %: 9%
Tank Engine
Tank EngineGain increased size and percent bonus Health per takedown.
Tier: S+
Pick %: 7%
Prismatic
Dashing
DashingYour dash, leap, blink, or teleport Abilities gain @Haste@ Ability Haste.
Tier: S+
Pick %: 16%
Mystic Punch
Mystic Punch{{ Item_Keyword_OnHit }} reduce the cooldown of your abilities by @CooldownRefund@ seconds %i:scaleCooldown%.
Tier: S+
Pick %: 14%
Jeweled Gauntlet
Jeweled GauntletYour Abilities can Critically Strike. Gain %i:scaleCrit% @CritGranted@% Crit Chance.