To Tribute Summon this card face-up, you can Tribute a WATER or “Toa Mata” monster in your hand, except “Toa Mata Kopaka”, instead of a monster you control. If this card attacks, it is changed to Defense Position at the end of the Battle Phase. While this card is in face-up Defense Position, your opponent’s monsters cannot target monsters for attacks, except “Toa Mata Kopaka”. Once per turn, if another card(s) you control leaves the field by an opponent’s card effect: You can banish 1 card your opponent controls.
