You can use each effect among the (1)st and (2)nd effects with this card’s name only once per turn.
(1) During any Main Phase, you can (Quick Effect): Immediately after this effect resolves, Tribute Summon 1 Fairy monster face-up.
(2) If this card is sent to the GY: You can make all face-up monsters your opponent currently controls lose 500 ATK/DEF for each Fairy monster currently on the field, until the end of this turn.
Atom 1.0
