rare tyranitar card Pokemon - 222/193 - Paldea Evolved - Illustration put that Pokemon and all cards attached to it in the Lost Zone instead of the discard pile. Tyranitar - 043/078 (PGO) Holo

From first glance, it's easy to see why this card is so highly valued compared to any other Energy card, as it has more to it than usual, including a wonderful reference to the video games a a sneaky little image of everyone's favorite Generation Two Electric type

A seventh variety, the Pretend Team Skull Pikachu (still classified as a Poncho promo despite the design no longer being Pikachu literally wearing a poncho), was released during the Sun & Moon era as the final Full Art Pretend promo

Say you buy the Wizards deck and the Vampire deck, and you switch this creature from one of the decks to the other

For so many reasons (other than the population), YES

The answer is probably relatively simple: once the allure of Mega Hyper Rare cards wore off, collectors simply preferred the arguably superior artwork of an SIR