A passing thought - adding value to dead content.

I had a thought as to how jagex could go about adding value to dead content, specifically weapons like the abby whip/dark bow/non buyable dragon weaps.

What if there were some kind of mini game/d&d where the goal is to supply an army with weapons and train the soldiers, meaning you would buy or otherwise obtain the dead content items suchs as whips and supply them to the army with a small chance at receiving some kind of high value reward.

I'm fully aware that this isn't some ground breaking idea of the century but I just can't understand why something like this hasn't been done.

Whips have pretty much reached alch price, d boots are cheaper than water talismans and d claws are hilariously useless.

Am I missing something or would an update like this not help add value to these items?

I'd like to hear better ideas from you guys or just any kind of input.