This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by removing from play 3 Water monsters on your side of the field, and this card is then Special Summoned to your Spell and Trap area. If you have a Field Spell in play, negate any effects that would remove that spell card from the field. Once per turn, select one Water monster in your hand and Special Summon it to your side of the field. Gain life points equal to either that monster's attack or defense power (your choice). While this card is in your spell/trap zone, It gains the following special ability:
As long as you have monsters in your monster zones, this card cannot be affected by the effect of an opponent's Monster, Spell, or Trap card, and it cannot be selected as an attack target. This card cannot attack.
A monstrous whirlpool, eating a boat. On two corners of the whirlpool, there appears to be large, jagged teeth-like rocks.