Tomonoshin will be unrestricted, and Obstruct put to 1! Check out the details on the official site.
Cover Fire of the Solar Cannon
■ [Cast Cost] [Pay 1 gauge] ■ [Set] (This card remains on the field.) ■ When an attack by a «Sun Dragon» monster on your field destroys your opponent's monster, deal 1 damage to your opponent. ■ You may only [Set] one "Cover Fire of the Solar Cannon" on your field.