Sillva, Warlord of Dark World – (Elemental Energy) – (EEN-EN023) – (Rare)

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.