as long as it's your turn, gideon blackblade is a 4/4 human soldier creature with indestructible that's still a planeswalker.
prevent all damage that would be dealt to gideon blackblade during your turn.
+1: up to one other target creature you control gains your choice of vigilance, lifelink, or indestructible until end of turn.
−6: exile target nonland permanent.