Thats over 1,000 cards in just five months, which is about double what you would get from the main Pokemon TCG in the same amount of time
2 Ofs A 2 of is when you play a card at 2 copies, and it is by far the worst ratio to play a card at
Mitotic Manipulation (an underrated blue ramp piece in its own right) can find Islands and Swamps when you want extra mana, but it can also be a way to dig for another Nazgl to have the Ring tempt you and pump the team
Bear that in mind, as it could affect the price via reduced supply
There are only so many cards out there, and then there is another level to it. The rarity contributes to high values for top-graded cards
A Charizard from this test run that was signed (on the case, not the card) by Mitsuhiro Arita, the illustrator of the original Charizard art