Advanced format ruling
Dragon's Mirror
Card effect (current official text)Fusion Summon 1 Dragon Fusion Monster from your Extra Deck, by banishing Fusion Materials listed on it from your field or GY.
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.