[Item Concept] Several Hybrid Item Ideas
If anything seems too expensive, not expensive enough, or could have better materials don't hesitate to tell me.
Chaos Engine
+ 
+ 650g (Total 2700g)
+25% Attack Speed
+20% Critical hit chance
+40 Ability Power
Unique Passive: +5% movement speed
Unique Passive: Critical Strikes and Single target spell hits generate "Chaos" for 1 second, increasing attack speed by 5% and movement speed by 2.5% per stack. (Max 10 stacks)
Hextech Beam Sabre
+ 
+ 850g (Total 2900g)
+30% Attack Speed
+60 Ability Power
Unique Passive: Deals 5(+5% AP) true damage on-hit.
Unique Active: Doubles Passive on-hit damage and increases attack speed by 30% for 2 seconds.
(40 second cooldown shared with other "Hextech" items)
Dread Scythe
+ 
+ 500g (Total 2900g)
+30 Attack Damage
+10% Lifesteal
+30 Ability Power
+300 Health
Unique Passive - Eyes of Pain: +15 magic penetration.
Unique Passive: 25% of all physical damage dealt is converted into magic damage.
(life steal is calculated before conversion)