Meliae, the Spirit Tamer

When Meliae, the Spirit Tamer enters the battlefield, create a 3/3 green and white Elemental token with trample.
{2}{w}{g}: Gain 1 life, then populate. (Create a
token that's a copy of a creature token you
control.)
"In the depths of the forest, lives a creature able to calm and train the most ferocious of creatures..."
—Begining of a fairy tail.