Sillva, Warlord of Dark World

[ Fiend / Effect ] If this card is discarded to the Graveyard by a card effect: Special Summon it from the Graveyard, then, if this card was discarded from your hand to your Graveyard by an opponent's card effect, your opponent returns exactly 2 cards from their hand to the bottom of their Deck, in any order. ATK/ 2300 DEF/ 1400