cynthia pokemon card Cynthia's Ambition - 178/172 Brilliant Stars - Secret Rare and a photo sticker featuring Cynthia and Garchomp Cynthia's Garchomp ex Premium Collection

MDFCs in general only have the properties of their front face everywhere apart from when on the battlefield or the stack

Potential for abuse in a post-Hulk world with Academy Rector

While normally creatures suffer from summoning sickness upon entering the battlefield, prohibiting them from attacking or activating tap-based abilities during their first turn in play, haste circumvents summoning sickness entirely

If you do, create X 1/1 red Elemental creature tokens that are tapped and attacking

Neither of those things is worth the cost of putting Deserted Temple in your deck

Prices for these cards experienced a similar boom in 2020, a subsequent correction, and then a leveling off after the dip (with the exception of Blastoise, an outlier that seems to have spiked again very recently)