Tomonoshin will be unrestricted, and Obstruct put to 1! Check out the details on the official site.
Dragon Return System
■ [Set] (This card remains on the field.) ■ When a monster on your field is returned to your hand or deck, put the top card of your deck into your gauge. This ability only activates once per turn. ■ If your life would become 0, put this card into your drop zone, and put the top card of your deck into your drop zone. If that card is a spell, your life becomes 2! ■ You may only [Set] one "Dragon Return System" on your field.