- If Gastly attacks with "Little Grudge" and on the next turn is KO'd by Blastoise-EX's "Rapid Spin" attack, does the Energy get discarded from Blastoise EX or from the Pokemon that replaces it? Neither?
- Blastoise EX was the "attacking Pokemon", so it loses an energy.
Source:
Evolutions FAQ (2016-11-03), TPCi Rules Team (2016-11-03)