Mega Rayquaza ex

Once during your turn, when you play this Pokémon from your hand onto your Bench, you may use this Ability. Look at the top 4 cards of your deck and attach a Basic Energy card you find there to this Pokémon. Shuffle the other cards and put them on the bottom of your deck.

This attack does 50 damage for each <span class="energy-symbol Fire" title="Fire">Fire</span> Energy and each <span class="energy-symbol Lightning" title="Lightning">Lightning</span> Energy attached to all of your Pokémon.