rarest and most expensive pokemon cards The Top 10 of 2023! : r/PokeInvesting Top 30 Most Valuable Pokémon

Great Whale Market Price: $18.28 From a series of cards in Urzas Saga that represented Magic s first free spells, this seven-mana 5/5 allowed you to untap up to seven lands when it entered, which is still quite an impactful ability close to 30 years on from its original release

Flash and Flying bring memories of very powerful cards ( Snapcaster Mage , Vendilion Clique )

It's mostly outclassed by The Goose Mother these days, but that doesn't have trample, does it

Any "as [this land] enters the battlefield" or "[this land] enters the battlefield with" abilities of the chosen permanent will also work

Being able to target any graveyard for free mana, easily deal damage to multiple players, and gain life every turn makes it a very useful card