You can only use the 1st and 2nd effect of this card’s name each once per turn.
(1) If a monster(s) on the field is flipped face-up during the Main Phase: You can Special Summon this card from your hand, then change 1 face-up monster on the field to face-down Defense Position.
(2) If this card is flipped face-up during the Main Phase: You can target 1 monster in your GY; Special Summon it in Defense Position, then change 1 face-up monster on the field to face-down Defense Position.