Delta Supply

Once during your turn (before your attack), you may attach a basic Energy card or a δ Rainbow Energy card from your hand to 1 of your Pokémon that has δ on its card. This power can't be used if Flygon is affected by a Special Condition.

Swift

This attack's damage isn't affected by Weakness, Resistance, Poké-Powers, Poké-Bodies, or any other effects on the Defending Pokémon.

Flygon δ

Jun Hasebe - Flyvees - 2007 World Championships Deck