Goat format ruling
Dark Designator
Card effect (current official text)Declare 1 Monster Card name. If the declared card is in your opponent's Deck, add 1 of that card to your opponent's hand.
Rulings
- If you activate Dark Designator and your opponent says he/she has no cards in their Deck of that name, you may check the Deck to verify.
- You cannot declare a nonexistent card for Dark Designator.
- Your opponent must show you the card added to his hand.
- If the player required to search for the Monster Card designated by "Dark Designator’s" effect does not have the specified card in his/her Deck, the controller of "Dark Designator" may search the opponent’s Deck to verify this.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Goat forum — sourced change requests get reviewed.