This card's Japanese variation is extremely similar in price, with each version typically hovering between the $55 to $60 range
That would have made him awesome, but he would have still been unplayable
The main directional change we took with this mechanic was moving it more into a tribal space to reward the number of modified creatures, so it wasn't all about self-contained rewards or checking to see if you had a single modified creature
It allows you to switch one of your Basic Darkness Pokmon in play with a Basic Darkness Pokmon from your discard pile, with all effects, including damage counters, remaining on the new Pokmon
This is just a general outline
These are beautiful cards that bring the full-art treatment to an interstellar point of view: The other is an atomic age reimagining with full-art planetary space-ic basic lands