As long as Pidgeot has any Holon Energy cards attached to it, each player's Pokémon (excluding Pokémon that has Delta Species on its card) can't use any Poké-Powers.
Attack: Rotating Claws
Damage: 50
You may discard an Energy card attached to Pidgeot. If you do, search your discard pile for an Energy card (excluding the one you discarded) and attach it to Pidgeot.