Senna, Wrath of Twilight

Vigilance, Lifelink
Whenever another creature dies or is dealt
damage by Senna, Wrath of Twilight, you create
a 1/1 black and white Spirit creature with flying.
{t}: Senna deals damage equal to her power and
the number of spirits you control to any target.
Sacrifice 3 Spirits: target non-token creature gains protection from black and white.