Mariano, the Astrobiologist

Whenever Mariano enters the battlefield or attacks, create a 0/1 green Fritschii creature token. If Mariano has 2 or more FRL
counters create a 2/3 Synechococcus green creature token with fliyng.
{g/u}{g/u}{g/u}: put a FRL counter on Mariano.
When Mariano has 4 or more FRL counter creature tokens get +2/+2 and indestructible.