Advanced 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.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.