Top augment choices for Briar include Deft (Silver), Lightning Strikes (Gold), Mystic Punch (Prismatic).
Overall
Mystic Punch
Mystic Punch{{ Item_Keyword_OnHit }} reduce the cooldown of your abilities by @CooldownRefund@ seconds %i:scaleCooldown%.
Tier: S+
Pick %: 30%
Dual Wield
Dual WieldWhen you Attack, fire a bolt that deals @AttackReduction*100@% damage and applies your {{ Item_Keyword_OnHit }} effects at @OnHitMod*100@% effectiveness. Gain @AttackSpeed*100@% total Attack Speed.
Tier: S+
Pick %: 20%
Lightning Strikes
Lightning StrikesGain @TotalASValue*100@% total Attack Speed. At @Breakpoint1@ Attacks per second, deal additional magic damage {{ Item_Keyword_OnHit }}.
Numb to Pain@MeleeReduction*100@% of damage you take instead happens over @BleedDuration@ seconds (@RangedReduction*100@% for ranged champions).
Tier: S+
Pick %: 8%
Gold
Lightning Strikes
Lightning StrikesGain @TotalASValue*100@% total Attack Speed. At @Breakpoint1@ Attacks per second, deal additional magic damage {{ Item_Keyword_OnHit }}.
Tier: S+
Pick %: 18%
Firebrand
FirebrandYour Attacks apply an infinitely stacking Burn {{ Item_Keyword_OnHit }}, dealing damage over time.
Tier: S+
Pick %: 17%
Twice Thrice
Twice ThriceEvery @ProcCadence@ attacks, your {{ Item_Keyword_OnHit }} effects trigger a second time.
Tier: S+
Pick %: 15%
Prismatic
Mystic Punch
Mystic Punch{{ Item_Keyword_OnHit }} reduce the cooldown of your abilities by @CooldownRefund@ seconds %i:scaleCooldown%.
Tier: S+
Pick %: 30%
Dual Wield
Dual WieldWhen you Attack, fire a bolt that deals @AttackReduction*100@% damage and applies your {{ Item_Keyword_OnHit }} effects at @OnHitMod*100@% effectiveness. Gain @AttackSpeed*100@% total Attack Speed.
Tier: S+
Pick %: 20%
Symphony of War
Symphony of WarGain the Lethal Tempo and Conqueror Keystone Runes.