Since Incineroar ex is a stage 2, it must be evolved from a Stage 1 Pokmon, or a Basic Pokmon via Rare Candy
Flanking means "Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn." If a creature gains flanking during combat, that has no effect on any creature already blocking it
Still though, regular copies are closing in on $35 and foils have broken past $100 due to not being seen in Modern Masters 2015
It should only be used on Gimmighoul , and never on other Pokemon
A Pokmon pack opening simulato r provides a great alternative, allowing fans to enjoy the excitement of waiting, discovering, and opening packs at their own pace
That sounds good in prowess decks to me