+1: until your next turn, prevent all damage target permanent would deal. 0: until end of turn, gideon of the trials 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."