You can discard this card; Special Summon 1 of your Thunder Dragon monsters that is banished or in your GY, except Thunder Dragonhawk . If this card is banished, or sent from the field to the GY: You can shuffle any number of cards from your hand into the Deck, then draw the same number of cards. You can only use 1 Thunder Dragonhawk effect per turn, and only once that turn.