Butterfly Conjurer

When Butterfly Conjurer enters the battlefield,
leaves the battlefield or is returned to your
hand from the graveyard, create 0/1 green
butterfly insect token with flying.
{t}: You gain 1 life for each butterfly you control.
From her hands, a flutter of wings and a burst of
magic, and the butterflies take flight, their grace and
power a reminder of nature's wild heart.