Diabolica, Dragon Fiend Commander
Level 8 DARK
You can only use 1 of the effects of this card once per turn.
If a Fiend monster(s) is sent to your GY by card effect, except "Diabolica, Dragon Fiend Commander", while this card is in your hand or GY: You can Special Summon this card, but banish it when it leaves the field.
If this card is sent to the GY by a card effect: You can target 1 Fiend monster in your GY, except "Diabolica, Dragon Fiend Commander"; Add it to your hand.