The best way of stopping Regidrago is to simply focus on removing its attackers from the game, but honestly, with all the pressure that Regidrago applies, easier on paper than in reality
Magic The Gathering I was hesitant to put this one on the list at all because I could file a 500-page novel worth of complaints about it, its design, the company that runs it, and the endless stream of bullshit that makes this a game I have no desire to play at all
That said, many fans believe that the Topsun cards actually came out in 1997, despite what their copyright date claims
Its not just mechanics and keywords that make a return here either, as there are a number of incredibly cool reprints that bring new cards into Modern from previous sets
It also has an absurd amount of loyalty for a three-mana planeswalker, so it's near-impossible to kill if it comes down in the first few turns