You can only use the 1st and 2nd effect of this card’s name each once per turn.
(1) When 1 monster you control leaves the field by an opponent’s card effect (and no other cards): You can banish this card from your hand or GY; Special Summon that monster if it is banished face-up or in the GY, otherwise Special Summon this banished card .
(2) If this card is Special Summoned: You can make it gain 1500 ATK until the end of the next turn.
Atom 1.0
