You can swap these in to keep your benched Pokemon protected while you set them up, and then discard the Fossil Card at any time to get your main, chosen Pokemon back in the Active Spot
With a free source of lifegain, Well of Lost Dreams turns into a value engine of incomparable power
Ranked #10 in the set, trading at roughly 8% of the top card's price
It's a great candidate as Commander for an Assassins-matters EDH deck thanks to its WUBRG color identity and its ability to cheapen Assassin spells
The market for these cards is hotter than a Charizards flame, but turning cardboard into currency isnt as simple as just listing them online
Oddly, you sometimes dont want to have Purphoros become a creature in these spots, since it is granting the relevant haste and being a creature exposes it to exile removal like Eat to Extinction that would leave your haste threats unable to attack