Invigorating Walk in the Woods

Invigorating Walk in the Woods is green.
Suspend X---{1}{g}. X is your devotion to green.
Whenever you remove a time counter from this card, add {g} to your mana pool. Until end of turn, this mana doesn't empty from your mana pool as steps and phases end.
Green creatures you control get +1/+1 and
"{1}{g}: Regenerate this creature".