The most valuable error cards from any era are the ones that combine a dramatic, visually striking error with a highly desirable base card, and that formula works regardless of when the card was printed
You can tap it and three mana and sacrifice another dork and then have an opponent lose life equal to its toughness, so that's another winning condition outside of the red zone when a foe has a low life
What happens if Over My Dead Bodies gets destroyed mid-combat
Generally, these spells have you trading a creature or permanent, often by destroying that card, to reveal cards from the top of your deck until you find something that shares a card type with them
If you target "Scanner No.9" in the End Phase, you will summon a monster to your opponent's Field which will still be treated as Machine-Type, which will then destroy itself and trigger our own effects