Hell steal your opponents lands and add them to your own pile of stolen goods, no questions asked
As Foretold: Let's compare with Aether Vial , a 1 drop artifact (At the beginning of your upkeep, you may put a charge counter on Aether Vial
When you planeswalk away from a plane, the plane is turned facedown and put on the bottom of the planar deck
Not only have there been a limited number of cards with this mechanic, its a lengthy process to gain those ten counters
To save you your precious 2 hours, heres a short and sweet summary of my research from Scryfall: Greens Card advantage primarily comes from its Creatures
Common cards obviously don't go for much money, whereas rare cards can sell for thousands, or perhaps even hundreds of thousands of dollars