- When I use Ninja Boy to swap out a heavily damaged EX Pokemon for one that is not an EX, if there's enough damage to KO it does the opponent take one prize or two?
- Since the swapped in Pokemon is not an EX Pokemon, your opponent takes only one prize card for the KO.
Source:
Steam Siege FAQ (2016-08-04), TPCi Rules Team (2016-08-04)