Once in play, Cavern of Souls can be tapped for one mana of any color, but there's a catch
(The clue is their unique set badge.) Indeed, like most Universes Beyond cards, they're not legal in Standard, and can only be played in eternal formats and Commander
The Pattern The pattern across collectibles markets is remarkably consistent: A catalyst creates excitement (nostalgia, media coverage, new products) Prices rise as demand increases Speculators pile in, pushing prices beyond sustainable levels The catalyst fades and speculators exit Prices correct, often overcorrecting below fair value Over time, prices settle at a new baseline that's higher than pre-boom but lower than the peak We believe the Pokemon card market is in stage 5-6 right now
With the Rise of the (Devoid) Eldrazi and colorless mana symbol, its become an [casthaven]Ancient Tomb[/casthaven] for all your spells at the same time
Few events ever repeated the prize of giving players a Pokmon card with their face on - only 20 such cards are estimated to exist, and each card is the only one of its kind
In addition, a starter deck contains a booster pack of Ursula's Return to add new cards to your collection or upgrade your deck