Beast Caller

Whenever one or more +1/+1 counters are
put on a creature you control create a 1/1
blue and green snake creature token with
{2}{g/u}: Adapt 1(If this permanent has no
+1/+1 counters on it, put one +1/+1 counters
on it.)
Where do you think are test
subjects come from?
-Prime Speaker Vannifar