Tomonoshin will be unrestricted, and Obstruct put to 1! Check out the details on the official site.
Contagious Weakening Gas
■ You may only cast this card if you have a «Plague» on your field. ■ [Counter] Choose a card on your opponent's field. For this turn, when that card attacks, put a card from your opponent's gauge into the drop zone, and deal 1 damage to your opponent! ■ If this card is in the soul of a «Plague» on your field, your opponent's cards get power-1000 and defense-1000!