Oracle Text

Legendary Planeswalker — Gideon

[+1]: Put a loyalty counter on Gideon for each creature target opponent controls. [0]: Until end of turn, Gideon becomes a Human Soldier creature with power and toughness each equal to the number of loyalty counters on him and gains indestructible. He's still a planeswalker. Prevent all damage that would be dealt to him this turn. [−15]: Exile all other permanents.