Tengu format ruling
DNA Checkup
Card effect (current official text)Select 1 face-down monster you control. Your opponent declares 2 Attributes. Reveal the selected monster. If its Attribute is one of the declared Attributes, your opponent draws 2 cards. If not, you draw 2 cards.
Rulings
- This card targets 1 face-down monster you control.
- If the targeted monster is not on the field when "DNA Checkup" resolves, its effect disappears.
- You cannot target a face-down Spell Card Special Summoned by "Magical Hats".
- If the targeted monster has multiple Attributes, like "Light and Darkness Dragon" you only refer to the Attribute printed on the card when resolving "DNA Checkup".
- Your opponent declares 2 Attributes when the effect resolves, immediately before revealing the monster.
- You cannot activate "DNA Checkup" if either player has less than 2 cards left in their Deck.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Tengu forum — sourced change requests get reviewed.