Grimm,Troupe Master

When Nightmare King Grimm enters the battlefield,
create 4 black 1/1 Bat creature tokens with flying.
Whenever Nightmare King Grimm attacks, create 6
1/1 Fireball tokens.
At the beginning of your upkeep, create 4 Spike
tokens with
"When this creature dies, it deals 2 damage
to any target."