Sauropod Brachion (SGX4-ENC02) [Speed Duel GX: Midterm Destruction]

Cannot be Special Summoned from the Deck. You can Tribute Summon this card face-up by Tributing 1 Dinosaur 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.