Until your next turn, prevent all damage target permanent would deal.
Until end of turn, Gideon of the Trials becomes a 4/4 Human Soldier creature with indestructible (Effects that say "destroy" don't destroy that permanent. An indestructible creature can't be destroyed by damage.) that's still a planeswalker. Prevent all damage that would be dealt to him this turn.
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."
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