It certainly will grow in the market, but high volume of product is the main reason why its being kept down still I think
These cards are meant to depict Pokemon in their Dynamax form, so their art is swirling with Dynamax Energy as they prepare to take on a greater challenge
It wasnt until it was printed as a Judge promo card in 2008, and then in a Duel Deck in 2009 did this card become readily available again
The Murders at Karlov Manor Deadly Disguise Commander Deck includes 1 Red-Green-White deck of 100 Magic cards (2 Traditional Foil Legendary cards, 98 nonfoil cards), a 2-card Collector Booster Sample Pack (contains 1 Traditional Foil or Nonfoil alt-border card of rarity Rare or higher and 1 Traditional Foil Borderless Common or Uncommon card), 1 foil-etched Display Commander (a thick cardstock copy of the commander card with foil etched into the cards border and art), 10 double-sided tokens, 1 deck box (can hold 100 sleeved cards), 1 Life Wheel, 1 strategy insert, and 1 reference card.
OMG, I am shaking, wrote one excited fan on the Digimon Reddit page