Still a great setup play, especially with an Urborg, Tomb of Yawgmoth somewhere on the battlefield, but not one Id rely on in an emergency
This continues until you're ahead and in winning the position
This means they need to have the cards necessary to fetch it again or draw into it by chance
Mostly however you are hoping to just sit on a card until you combo kill them that bit sooner due to your extra dork and their lack of disruption, or you force them to kill a weak dork that gains you some triggers perhaps and works to protect later high value dorks
When a card says damage cant be prevented, it means what it says: Combat damage and noncombat damage will occur
Use keywords like booster box, the set name (e.g., Scarlet & Violet), or a specific Pokmon