Lux

Prevent all damage that would be dealt to Lux at
turn that she enters the battlefield.
Whenever you cast an instant or sorcery spell,
put Demacia counters on Lux equal to its mana
value. Then if there are six or more Demacia
counters on it, remove them you may deal 4
damage to target creature you don't control.
Excess damage to that creature's controller.