I Think It's A Squirrel

Hexproof, Vigilance,
{t} Create another I Think It's a Squirrel creature with the same abilities,power
and toughness.
I Think It's a Squirrel is a */* it's power and toughness is equal to every Green/Black permanent you control as it's summoned,
if you don't control any Green/Black permanents then it is a 1/1.