[League Idea] Reforger based.

I can't be the only one that has two items that have great stats, hampered by a off stat or bad roll. This league idea would be fairly strait forward and using existing gear and mechanics, with one exception.

Mechanic: Using the Reforger, place an item in the first slot, place the same type of item in the second slot, and some form of currency in the third slot.

Slot 1 Effect - Copy the top half(rounding down) of mods on slotted item.
Slot 2 Effect - Copy the bottom half(rounding down) of mods on slotted item.
Slot 3 Effect - Catalyst Currency for process. Transmutation Orb?

Upon hitting combine button - Consume all 3 slots, forging new item of same type, with copied Mods.

This is the base idea, and for added flair, I'd add negetive Mods on blue, and greens. To, promote using the mechanic. A caster might get a great Mana Regen ring that has a Mod that takes 10 life/cast. Using this they could plot and plan out crafting a ring that no longer harms them.

[Edit] - This would not work on Uniques.