Haunting Songstress

Echo {4}{w}{w} (At the beginning of your upkeep, if
this came under your control since the beginning of
your last upkeep, sacrifice it unless you pay its echo
cost.)
When Haunting Songstress dies, create a 1/1
white Spirit creature token with flying.
When you pay Haunting Songstress's echo cost,
create three 1/1 white Spirit creature tokens with flying.