Tomonoshin will be unrestricted, and Obstruct put to 1! Check out the details on the official site.
The Hot Zone
■ You may cast this card without paying its [Cast Cost] if an item on your field has three or more «Plague» spells in its soul. ■ [Cast Cost] [Pay 1 gauge] ■ [Counter] For this turn, all monsters and items on your opponent's field get power-3000 and defense-3000!