It does not matter if there are a million of each card out there, if people start to value unique Japanese art and these cards have increased demand and more scarcity, they could rival some 1st edition WOTC holos, both being in PSA 10
As of now, the bidding for the card is at one million dollars (check out the details in Bidding For The Serialized 001/001 One Ring Is At One Million Dollars!), and I'm mentioning it here because I'll be looking at the most valuable MTG LOTR cards aside from this
One proven method is relying on an untapper in the command zone
Dark Ritual allows you to take advantage of drawing multiple cards a turn back during the black summer of Magic , it wasn't unusual to see a player drawing 4-5 cards a turn every turn of the game using Necropotence to fuel their crazed game of "holy cow, is this for real?" No other card in Magic has allowed a player to draw so many cards turn after turn so cheaply
The Best Doctor Who Commander Deck For Value Timey-Wimey's killing it in the value department
This is how you gain new cards, and it's slow