Advanced format ruling
Yamata Dragon
Card effect (current official text)This card cannot be Special Summoned. This card returns to its owner's hand during the End Phase of the turn it is Normal Summoned or flipped face-up. When this card inflicts Battle Damage to your opponent, draw cards until you have 5 cards in your hand.
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.