If you have the same number of cards in your hand as your opponent, the attack cost of each of Yanmega's attacks is 0.

Linear Attack

Choose 1 of your opponent's Pokémon. This attack does 40 damage to that Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)

Sonicboom

70

This attack's damage isn't affected by Weakness or Resistance.