Tengu format ruling
Domino Effect
Card effect (current official text)When a monster your opponent controls is destroyed by battle and sent to the Graveyard, you can send 1 monster you control to the Graveyard to destroy 1 monster your opponent controls.
Rulings
- Domino Effect's effect starts a Chain. Sending 1 monster you control to the GY is a cost.
- Domino Effect targets 1 monster your opponent controls.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Tengu forum — sourced change requests get reviewed.