Broo, Hivelord

Devoid (This card has no color)
{1}{g}: Adapt 1. (If this creature has no +1/+1 counters on it, put a +1/+1 counter on it.)

Whenever one or more +1/+1 counters are
put on Broo, Hivelord, you may create
a 0/1 colorless Brood Spawn creature
token with "Sacrifice this creature: Add {c}."