You can only use the 1st effect of this card’s name once per turn.
(1) If this card is in your hand: You can target 1 monster you control with a different Type and Attribute; destroy it, and if you do, Special Summon this card.
(2) When this card destroys an opponent’s monster by battle: You can make this card gain ATK equal to half the destroyed monster’s original ATK or DEF (whichever is higher).
Atom 1.0
