Gisel, the Nurturer

When Gisel, the Nurturer enters the battlefield,
create two 1/1 saporling creature tokens.
Whenever another creature enters the battlefield
under your control, you gain 1 life.
{1}{w}{g}, {t} Populate (Create a token that's a copy
of a creature token you control.)
"Gardens are needed to be tended, can you help me?"
-Gisel to Alkite.