Falnov, Night's Warrior

Whenever Falnov, Night's Warrior enters the battlefield, choose one-
-Create a 2/2 black Wolf creature token
-Create a 1/2 black Bat creature token
with flying
-Create a 0/1 black Imp creature token
with indestructable
"Beware, dark creatures roam the shadows.
I tend to roam there too."