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.