Midestia, Acidic Overseer

When Midestia, Acidic Overseer enters the battlefield, create X black and green 1/1 Ooze
tokens with deathtouch.
Ooze creatures you control get +1/+1 and
"{b}: Regenerate this creature"
{b}{b}, {t}, sacrifice a creature: Draw a card and
create a 1/1 black and green Ooze token
The project is never done.