Flying Equipped creature has flying and "You can't lose the game and your opponents can't win the game." Reconfigure {5} ({5}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

+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."

Flash (You may cast this spell any time you could cast an instant.) Flying You can't lose the game and your opponents can't win the game.

You don't lose the game for having 0 or less life. Whenever you lose life, sacrifice a permanent for each 1 life you lost. (Damage causes loss of life.)

You don't lose the game for having 0 or less life. As long as you have 0 or less life, all damage is dealt to you as though its source had infect. (Damage is dealt to you in the form of poison counters.)