Item Concepts (because I have no patience)
I was inspired by a comment to make an item for each of the following categories
-Tank items -Sustain items -Raw AD -Support/gold income item
Here are the concepts!
Zhonya's Quagmire
builds out of 
and 
total cost: 2800 (1400)
Stats +10% cooldown reduction +450 health active: Chronological Quicksand: Block 65% of incoming damage for the next two seconds, however you are slowed by 20% while the damage block is active. cooldown: 80 seconds
Scythe of Eons
builds out of 
and
total cost: 2675 (1000)
Stats +10% cooldown reduction +350 health +35 attack damage Active: Survivor of Eons: Your next 3 basic attacks heal you for 4.5% of your maximum hp each. (13.5% total healing) cooldown: 90 seconds
Deathbringer's Blade
builds out of 
and and 
total cost: 3025 (500)
stats +90 attack damage
Lumiere's Blessing
builds out of 
and 
total cost: 2600 (700)
stats +10% cooldown reduction 100%+base mana regen +10% heal and shield power +350 health +400 mana passive: Restore mana equal to 15% of damage taken from champions. Restore health equal to 20% of mana spent, up to 15 health per cast, while toggle abilities can heal for up to 15 per second.
Please leave critique, comments, suggestions, and questions. Thank you!
, and other champs that could use raw ad. I also feel that 80 Ad is too generic for high ad items. (also late game is not nearly as long as games end far quicker in the current state of the game so having a late game scaling item would not be as ideal.)