Use Pete to solidify a dominate position on the board, or to slow your opponent down before they can get too far ahead (especially in the case of Amber/Steel)
However, thanks to the magic of mana generation like Black Lotus, it means you can potentially destroy your opponents hand before they even play anything
Alright, I admit, I wanted this list to be a lot more expansive since we also have many more cards like Ultima, Town Greeter, and especially Astrologian's Planisphere (another crucial component of the new Vivi Izzet build), those that definitely had solid deck entries during the last major tournament event
Both of Noctiss abilities are very unusual
Ramunap Excavator is a commonly Cubed card that honestly just kind of sucks more often than not
The best thing to do is to sleeve your cards