Effect
When an opponent's Xyz Monster declares an attack: Activate this card by targeting the attacking monster. It cannot attack, also its effects are negated. While that monster is on the field, during each of your opponent's End Phases: Send the top 3 cards of the opponent's Deck to the Graveyard. When that monster leaves the field, destroy this card.
This effect targets 1 Xyz Monster on your opponent's field that declared an attack.
The effect "Each of your opponent's End Phases, send the top 3 cards of their Deck to the GY" is an effect that starts a Chain Link.
Continue with related public research
From this rulings page you can jump back into card data, set archives, tournament decks, banlist checks, and market movers.
Card database
Search Yu-Gi-Oh! cards, archetypes, stats, and printings.
Set archive
Navigate booster sets and inspect all cards in each release.
Tournament decks
Browse competitive decklists, player finishes, and archetype trends.
Banlist status
Check the current status of Yu-Gi-Oh! cards on the banlist.
Market movers
Track the top Yu-Gi-Oh! price gainers and momentum cards.