You can only use the (1)st and (2)nd effects of this card’s name each once er turn.
(1) If you control a Fiend Tuner: You can Special Summon this card from the hand.
(2) If this card is Special Summoned: You can target 1 face-up monster your opponent controls; it loses 600 ATK until the end of this turn.
(3) If this card is destroyed and sent to the GY: You can target 1 face-up monster your opponent controls; it loses 400 ATK until the end of this turn.