Gold-Empowered Champion? (Terms and conditions to Unsolicited Ideas policy accepted at bottom)
Wondering about the above? Well, the specified champion proposition, in my own opinion, would be rather interesting to play, seeing as farming is about 20x more important to him/her.
For a passive, I would go with something along the lines of the name Goldmine or Avarice, which allows (What will be referred to as Golding) to collect Greed, his Resource, by copying 33% of all gold gained into Greed, which goes up to a total of 150/300/500/750 (depending on ulti level).
This passive also takes 10% of Golding's gold gain and, after reaching a certain point, grants temporary 25% gold increase from monster/minion/champion kills and adds +current Greed as bonus damage.
Q(Costs 25/30/35/40/50 Greed,20 second cooldown):
Golding throws a fake bag of explosives disguised as money, drawing all enemies toward it for 1/1.75/2.25/3/4 seconds and exploding after 3.5 seconds. Does 75/150/200/250/300(+33% AD) magic damage and 25% current Greed in True damage.
W (Passive): Golding becomes more selfish, gaining 30%/35%/40%/45%/50% Greed (+10% AD) in damage with basic attacks to champions with 75 movement speed over Golding, or Champions under Turret range
E (Costs 60/90/120/150/200 Greed, 60 second cooldown): Golding becomes a man of gold, receiving 20%/40%/60%/80%/immunity to magic damage for 1/1.25/1.75/2/2.5 seconds and receives 20%/17%/15%/13%/10% more damage from physical attacks.
Ultimate (Costs Full Greed, 2 minute cooldown): Golding laughs for 5 seconds, and then sends out a large pulse of sinful energy dealing 150/300/450 (+2.5% Total Gold Value-includes value of items~max gold bonus is 1000) magic damage and turns hit enemies into Golden statues for 1/1.5/2 seconds. Leaves golden statue behind if enemy dies in that state, allowing Golding to collect the statue as a buff instant resale at the shop (the statue is worth 15% of the total damage dealt, Statues have 3 hp (like a ward), Statues disappear upon death, enemies can destroy statues).
Thanks you for reading! As for any RIOT Employees reading, here's the two bits you actually wanted:
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(I may have misread or missed something at some point, but you get the idea, right?)