As often as you like during your turn (before your attack), you may discard a [W] Energy card from your hand.
[W][W] Riptide: 10+
This attack does 20 more damage for each [W] Energy card in your discard pile. Then, shuffle those cards into your deck.
When it bites with its massive and powerful jaws, it shakes its head and savagely tears its victim up.