Personally, I would bet that adding up the net54 T206 cards, you'd quite easily pass 4000 of the 5000+. If you knock out the near 500 (?) possible super tough backs (Drum, BL460, Uzit, "browns"), you'd might even see close to all possibilities. Just looking at the Monster Numbers, and randomness, you'd probably knock out most Piedmont and SC combinations. There are also a lot of back collectors that could add up a lot of combos.
I'd be one

of a spread sheet ................