Take a new foil method, give it to one of Magics most popular characters, and put it on one of her better cards, and the result is a piece worth over $200
Thats where real collaboration can shine, because you can gather input on how balanced your cards power level is or how well your flavor text resonates with your chosen theme
You can burn opponents out with Glint-Horn Buccaneer, generate card advantage with Containment Construct, or dump big artifacts like Portal to Phyrexia that you can Goblin Welder back later
My suspicion is that the card is difficult to reprint because its oracle text is so complicated
That record was broken in November 2020 after a copy of the Shadowless Charizard sold at auction for $350,100, before reportedly being broken once only a month later with the sale of a copy for $369,000 - auction house Goldin Auctions claimed the figure to be the highest amount of money paid for any Pokmon card at the time