Lucent, Netherlord of Dark World (PRIO-EN031) - Primal Origin Unlimited

If this card is discarded to the Graveyard by a card effect: Special Summon this card from the Graveyard, then, if it was discarded from your hand to your Graveyard by an opponent's card effect, you can Special Summon 1 Fiend-Type monster from your Deck to either side of the field.