Edison format ruling
Snake Rain
Card effect (current official text)Discard 1 card. Select 4 Reptile-Type monsters from your Deck and send them to the Graveyard.
Rulings
- You cannot activate this card if there are less than 4 Reptile-Type monsters in your Deck.
- If the number of Reptile-Type monsters in your Deck becomes less than 4 due to an effect chained to "Snake Rain", you cannot send any Reptile-Type monsters from your Deck to the GY when "Snake Rain" resolves.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Edison forum — sourced change requests get reviewed.