Advanced format ruling
Blazewing Butterfly
Card effect (current official text)This card is treated as a Normal Monster while face-up on the field or in the Graveyard. While this card is a Normal Monster on the field, you can Normal Summon it to have it become an Effect Monster with this effect.
● You can Tribute this card, then target 1 Gemini monster in your Graveyard, except "Blazewing Butterfly"; Special Summon that target, and if you do, it becomes an Effect Monster, and gains its effect.
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.