Advanced format ruling
Metamorphosis
Card effect (current official text)Tribute 1 monster. Special Summon 1 Fusion Monster from your Extra Deck with the same Level as the Tributed monster.
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.