Tengu format ruling
Snake Whistle
Card effect (current official text)Activate only when a Reptile-Type monster you control is destroyed. Special Summon 1 Level 4 or lower Reptile-Type monster from your Deck.
Rulings
- This card can be activated when a Reptile-Type monster you control is destroyed by a Spell, Trap, or Monster effect. Snake Whistle cannot be activated in the Damage Step.
- You cannot activate this card when a Reptile-Type monster that is being treated as a Spell Card (by Relinquished, etc.) is destroyed.
- You can activate this card when your opponent's Reptile-Type monster you control (with Brain Control, etc.) is destroyed and sent to their GY.
- You can activate this card when a Reptile-Type monster you control is destroyed and removed from by (by Bottomless Trap Hole, etc.)
- You cannot activate this card if you have no Level 4 or lower Reptile-Type monsters in your Deck.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Tengu forum — sourced change requests get reviewed.