Not much to add besides the first video of TCA Gaming. Except maybe this related Efour article stating the 1st edition Ivy Pikachu cards might be put into Jungle packs intentionally based on that prototype Jungle pack and some other pre-Jungle advertisements: www.elitefourum.com/t/pikachu-1st-ed-jungle-black-star-promo-was-it-intentional/26400/1
Greetz,
Quuador