Centi Queen

Deathtouch, Reach, Bestow {x}{b/g}{b/g}
When Centi Queen enters the battlefield, if
she's not an aura, create 3 black and green 1/1
Pest creature tokens with "When this creature dies, you gain 1 life."
If Centi Queen was bestowed, create twice X
of those tokens instead.
Enchanted creature gets +2/+2 for each Pest
you control.