Advanced format ruling
Sauropod Brachion
Card effect (current official text)Cannot be Special Summoned from the Deck. You can Tribute Summon this card face-up by Tributing 1 Dinosaur-Type monster. Once per turn: You can change this card to face-down Defense Position. If this card is Flip Summoned: Change all other monsters on the field to face-down Defense Position. If this card is attacked, any battle damage your opponent takes from that battle is doubled.
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.