Tomonoshin will be unrestricted, and Obstruct put to 1! Check out the details on the official site.
Sand Dragon Shield
■ You may only cast this card during an attack on your opponent's turn and if you do not have a monster on the center. ■ [Counter] Nullify the attack, then, if you have 1 gauge or less, put the top card of your deck into your gauge, and you gain 1 life.