I think that is a pretty fair price, and could easily turn out to be way under market
Your old Pokmon cards could be worth as much as 7,000 each Some of the cards released in the late 1990s and early 2000s are now worth thousands of pounds In the late 1990s, school playgrounds across the nation transformed into Pokmon card exchange hubs and if you've held onto your old Pokmon cards, some could now be worth a small fortune
On the other hand, Windfall would arguably be fine in our current Standard formatby itself, it isn't all that problematicbut in a world of fast-mana artifacts like Lotus Petal, Mana Vault, and Mox Diamond backed by Tolarian Academy, it facilitates absurd combo decks, like this one: While it might not look like much on paper, this deck is absurdly powerful and one of the main reasons why Tolarian Academy and Windfall were banned in Standard
Creatures (16) Lands (17) 17 Plains Spells (27) Originally I had Snow-Covered Plains and a couple of Faceless Havens, but the colorless source was actually a big liability in enough games that I just cut it for now (I frequently wanted to cast two or three cards in the same turn and couldnt because I had a Faceless Haven or two on the battlefield)