Shirani Kali

Eminence - As long as Shirani Kali is in the
command zone or on the battlefield, Humans you control gain Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until
end of turn.)
First Strike, Haste, Lifelink
Whenever Shirani Kali attacks, put a +1/+1
counter on each Elemental you control.