Like Energy, Tool cards get sent to the discard pile if the Pokemon it is attached to leaves the field in any way unless a card effect states otherwise
4 Edgin, Larcenous Lutenist I Forsee Your Victory Theres a lot going on with Edgin, Larcenous Lutenist, between all the foretell triggers going off and goading going around, you get to control the battlefield while forcing combat on your opponents
This change was made because Play Design has needed haste as a tool for green, and the general feeling was it did more for green to have haste than black
With Creatures like Hope of Ghirapur, Gingerbrute, Nesting Bot, and Gold-Forged Thopterxyx, you can pressure your opponents early to hit max speed
Also, Mulldrifter created the "Baneslayer Angel or Mulldrifter" dichotomy of reviewing dorks
Thats where Pokemon GS Chronicles differs, however