Rulings powered by The Netrep API. If there are fewer than 5 cards in your opponent's Deck when this card's Flip Effect is activated, all remaining cards in the Deck are placed in the Graveyard. The opponent does not lose immediately, but willlose if unable to draw a card when required (such as during their next Draw Phase). [Re: Fairy Guardian] Spell Cards that are eligible for this card's effect include: Set Spell Cards, Equip Spell Cards, or Continuous Spell Cards destroyed by your opponent's card effects and Spell Cards negated and destroyed by an opponent's 'Magic Jammer', 'Solemn Judgment', 'Horus the Black Flame Dragon LV8', etc. It also includes Spell Cards discarded from your hand by your opponent's card effect, like 'Delinquent Duo' or 'Confiscation' and Spell Cards sent from your Deck to Graveyard by your opponent's 'Needle Worm', 'Don Zaloog', 'Vampire Lord', etc.
Tournament Pack 5
FLIP: Discard 5 cards from the top of your opponent's Deck to their Graveyard.