Another 2 mana for haste and a middling amount of damage (on average) from its death trigger means the red Cavalier pales in comparison to the others in the cycle
Chart shows the price of Terror at the end of each month going back as long as we have tracked the item.
As a result, there are actually preserved tweets of players first opening it in places like Pokeboon, while Japanese trading sites like Miyabi Hobby have past listings of the card at 2,000,000, which currently is equal to around $18,000 USD
The Galarian Gallery cards featured extended-art illustrations that placed Pokemon in richly detailed, atmospheric environments rather than the standard isolated battle-pose compositions, and the Mewtwo VSTAR was one of the most impressive entries in the entire subset
Chucking a land into the graveyard is easily exploitable by cards like Wrenn and Six or Crucible of Worlds, which lands-based decks are already interested in playing
Still overall a weaker Psychic Corrosion for multiplayer formats, which isnt especially powerful itself, so unless youre all-in on drawing cards, Id rather look elsewhere