Some item ideas for AP on-hit/attack speed builds
Ionian Chakrams Kerchais Shard (800) + Aether Wisp (800) + Null-Magic Mantle (450) + 550 Gold Total 2600 Gold +35 Ability Power +25% Attack Speed +30 Magic Resist +5% Movement Speed Passive: Moving and attacking will make an attack Energized. UNIQUE Passive - Imbued Strike: Your Energized attacks deal 50~120 (+15% of Ability Power) bonus magic damage (based on level) on hit.
Nova's Storm Oblivion Orb (1500) + Recurve Bow (1000) + Aether Wisp (850) + 250 Gold Total 3700 Gold +55 Ability Power +30% Attack Speed +200 Health +7% Movement Speed UNIQUE Passive - Touch of Death: +15 Magic Penetration UNIQUE Passive - Wind's Fury: Basic attacks deal 10% to 30% of total Ability Power as bonus magic damage to enemies near the target on hit (enemies closest to the target take the most damage), applying on hit effects. Note: Having Runnan's Hurricane disables this version.
Shadow Runner Dagger (300) + Dagger (300) + Aether Wisp (850) + 1150 Gold Total 2600 Gold +30% Attack Speed +50 Ability Power +5% Movement Speed UNIQUE Passive: +10% Cooldown Reduction UNIQUE Passive - Spectral Waltz: While within 550 units of an enemy champion you can see, +7% Movement Speed and you can move through units.
Tiera's Crescent Moon Needlessly Large Rod (1250) + Dagger (300) + Dagger (300) + 1250 Gold Total 3100 Gold +100 Ability Power +40% Attack Speed UNIQUE Passive: +10% Cooldown Reduction
Younan's Cursed Staff Sheen (1050) + Blasting Wand (850) + Phage (1250) + 550 Gold Total 3700 Gold +250 Health +250 Mana +20 Attack Damage +40 Ability Power +10% Cooldown Reduction +5% Movement Speed UNIQUE Passive - Rage: Basic attacks grant 20 Movement Speed for 2 seconds. Kills grant 60 Movement Speed instead. This Movement Speed bonus is halved for ranged champions. UNIQUE Passive - Spellblade: After using an ability, the next basic attack deals 50% Base Attack Damage (+30% of Ability Power) bonus magic damage on hit, inflicting Grievous Wounds for 3 seconds (1.5 second cooldown).