
+1: Until your next turn, prevent all damage target permanent would deal.
0: Until end of turn, Gideon becomes a 4/4 Human Soldier creature with indestructible that's still a planeswalker. Prevent all damage that would be dealt to him this turn.
0: You get an emblem with "As long as you control a Gideon planeswalker, you can't lose the game and your opponents can't win the game."
Gideon of the Trials has 6 printings, first in Amonkhet (2017). EDHREC ranks it #10,688 among Commander cards. It appears most in Kytheon, Hero of Akros // Gideon, Battle-Forged decks (781 on EDHREC). It has 9 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.