Nazuma, Rider of Storms

Nazuma, Rider of Storms enters the battlefield
with X +1/+1 counters on it.
Nazuma, Rider of Storms has Ward {x}, where X
is equal to the amount of +1/+1 counters on it.
The first instant or sorcery you cast each turn
has Split Second.
As long as you have an instant or sorcery spell on
the stack, players can't cast spells or activate abilities that aren't mana abilities.)