wartortle pokemon card (Celestial Guardians #216/239, 1-Star Shiny) [1W] Withdraw I bought these vintage cards

There are also a handful of good board wipes like Their Name Is Death and Organic Extinction that decks heavy on artifact creatures can use to devastate the opponents and keep their board state up

You can also finish out the game with various life loss effects like Diregraf Captain

I am not including any stickers, attractions, attraction makers or ticket givers or users since those all require a very insular deck and you need to build around it, and there aren't things that you can just run around with

While this effect isnt super powerful and wont change the game on its own, its a cheap, reliable, and flexible option if you want to generate value over time