Jayce
Eyes on the Horizon
Lane harassment and consistent damage output.
Sorcery
Empowered abilities and resource manipulation
Summon AeryYour attacks and abilities send Aery to a target, damaging enemies or shielding allies.
Manaflow BandHitting an enemy champion with an ability permanently increases your maximum mana by 25, up to 250 mana.
After reaching 250 bonus mana, restore 1% of your missing mana every 5 seconds.
CelerityAll
Move Speed bonuses are 7% more effective on you and gain1% Move Speed .
ScorchYour first damaging ability hit every 10s burns champions.
Domination
Burst damage and target access
Taste of BloodHeal when you damage an enemy champion.
Treasure HunterUnique
takedowns grant additional gold the first time they are collected.
Adaptive Force
+9
Adaptive Force Adaptive Force
+9
Adaptive Force 
Health Scaling
+10-180 Health (based on level)
Why Summon Aery
Jayce top lane excels at lane pressure and bullying and the extra damage from Aery pushes that even further thanks to its **early game reliable damage**.
Why Manaflow Band
Jayce heavily relies on his abilities to do damage so Manaflow Band acts as a damage sustain rune so you're able to keep the pressure up.
Why Celerity
Jayce is often switching forms for the burst of Movement Speed to reposition and avoid ganks. Celerity buffs that Movement Speed even further and grants you a bit of AD in the process.
Why Scorch
Scorch further pushes your ability to deal massive amounts of early game damage and exert lane pressure.
WhyTaste of Blood
Taste of Blood grants you fantastic lane sustain so that you're able to win every trade in lane.
WhyTreasure Hunter
The majority of Jayce's damage comes from his ability to spam spells granting a top of healing throughout the game.