Gideon, Spark Martyr

+2: Put a loyalty counter on each other planeswalker you control.
0: Until your next turn, damage that would be dealt to target creature, player, or planeswalker is dealt to Gideon, Spark Martyr instead.
: Extinguish -- If Gideon, Spark Martyr would leave the battlefield, instead remove all counters from him and transform him.