Mavin, Bishop of Rivermouth

Multikicker-Tap an untapped planeswalker your
team controls.
When Mavin, Bishop of Rivermouth enters the battlefield, creatures your team controls get
+1/+1 and gain lifelink until end of turn for each
time it was kicked.
"I may be an outcast within my home, but I swore
my people's oath to defend those in need, no matter
the cost."