yugioh cannot be targeted by card effects rulings The it affects can still used as a cost, right? Scrum Force - Yugipedia

2 Greninja & Zoroark GX (201) While not exclusively a Greninja card, Greninja & Zoroark GX prominently features a chillin Greninja so it counts in our eyes

UR Ultra Rare Altergeist Kunquery X EARTH Level 5 [ SpellcasterEffect ] ATK 0 DEF 2400 When an opponent's monster declares an attack, if you control an "Altergeist" card: You can Special Summon this card from your hand, and if you do, negate that attack

But lets say you are casting your seven-drop

Like most Pokmon cards, the value of Dragonite-GX depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Dragon Majesty)