You can only use the 1st and 2nd effect of this card’s name each once per turn.
(1) If this card is Normal or Special Summoned: You can add 1 “Icejade” Spell/Trap from your Deck to your hand.
(2) When your opponent activates a card or effect that targets this card, or when an opponent’s monster declares an attack on this card (Quick Effect): You can Special Summon 1 WATER monster from your hand or GY, except “Icejade Aegirine” (but return it to the hand during the End Phase), also the next time this card would be destroyed by battle or card effect this turn, it is not destroyed.