The good news is, if you are looking for a deck to upgrade, this deck has plenty of fine pieces to help you build a stronger, more competitive Amber/Emerald deck
I will be transparent and say that I believe if any of these are ever to return, the most likely one is Jeweled Lotus due to its one-shot nature, iconic feel, and ability to help support high-mana value commanders
Instead, at turn 5 with no cards in hand, you could play this and still have ink to play a 3-cost character maybe even a Fox to set it up again next turn
Ruthless Technomancer is a nice companion card if you enjoy noodling around in the graveyard, and though Revel in Riches and Black Market are hugely popular, they paint a massive target on your back and often end up less impactful than curving out with a creature and keeping on the pressure
It comes into play and essentially doubles the power of a creature you control