Mostly. There’s something Gideon can’t stop, and that’s Judges. If you’re given a penalty that involves you losing the game you’re in (for example, a Game Loss for a Decklist Problem, or a Match Loss for Outside Assistance), that will override Gideon. You will lose that game (or match, or be disqualified from the event, depending on the infraction). Also, you’re only safe from in-game death so long as Gideon is around at the time you “should” die. For example, let’s say you’re at 10 life, and Gideon is at 4 loyalty, with no creatures out. If your opponent attacks you with a 10/10, and Gideon with a 4/4, you’ll lose; the damage takes you to 0 and Gideon to 0 loyalty, and State-Based Actions will check to see if they need to do anything. They see you at 0, and WOULD kill you, but Gideon’s emblem says you’re okay, so they move along. They see Gideon at 0 loyalty, and destroy him. Since the SBAs changed something, they check again to see if anything NEW happens- and see you at 0 life still, with no Gideon to save you. So you lose too!
Today’s Tournament Tip was written by Trevor Nunez