Sometimes it will put them to 0 or less and you have to wait a little to draw your removal but I have only ever seen the drawback cost one game in hundreds
We've listed popular cards and had them sell within hours
Check out my previous examinations: Revisiting Commander 2011, Revisiting Commander 2013, Revisiting Commander 2014, Revisiting Commander 2015, Revisiting Commander 2016, Revisiting Commander 2017, and Revisiting Commander 2018
You can learn more about spotting counterfeit cards in the article titled Identifying Fake Pokmon Cards
Many Avatar: The Last Airbender cards pay you off for having lesson cards in your graveyard like Iroh, Grand Lotus or Ran and Shaw
You can get the massive box set from Tritex Games (79.99) but it seems to always be sold out