- If I put a Charizard GX in play using Ho Oh GX's "Eternal Flame GX" attack, and my opponent evolves into Porygon-Z and uses its "Initialize" Ability, does Charizard GX go back into my hand?
- No. Charizard GX is in play as an "unevolved Pokemon" and so is not affected by the Ability.
Source:
Burning Shadows FAQ (2017-07-20), TPCi Rules Team (2017-08-03)