Ferrin, Markarth's song

When Ferrin, Markarth's song enters the battlefield, create two 1/1 insect creature
tokens.
At the beginning of your upkeep, put a
hymn counter on Ferrin, Markarth's song.
Then create a 1/1 Green insect creature
token for each hymn counter on Ferrin, Markarth's song.