Elemental Hero Bubbleman (DP1-EN009) - Duelist Pack 1: Jaden Yuki Unlimited

If this is the only card in your hand, you can Special Summon this card from your hand. When this card is Normal Summoned, Flip Summoned or Special Summoned successfully, if there are no other cards on your side of the field and in your hand, you can draw 2 cards from your Deck.