Myconia, Cavern of Sporos

As Myconia Cavern of Sporos comes into play
you may pay 5 life, if you don't, Myconia Cavern of Sporos comes into play tapped.
{t}: Add {b} or {g} to your mana pool.
{b}{g}, {t}: Put a +1/+1 counter on up to three target Fungus or Saproling creatures you control.