The cards have been replaced on the official gatherer site with text stating why the images have been removed
Some worlds, such as Theros or Amonkhet, resemble ancient civilizations when it comes to technology
Like most Pokmon cards, the value of Mow Rotom depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Destined Rivals)
It's all go at Pokemon Go HQ as well (no pun intended)
Early Synchro monsters were incredibly generic, and that trend has held up into the modern era, as the best Synchro monsters of all time are usually generic cards that can be utilized by a wide variety of strategies
For the former can increase the odds of finding a 0, +1, or Elder Sign and has surprisingly often passed tests that had no right to pass (note* I haven't done a full mathematical analysis on her token flipping odds, although I would love to and might in the future)