Corpsefly Mother

Whenever Corpsefly Mother deals combat
damage to a creature, destroy that creature.
{b/g}: Corpsefly Mother gains "whenever a creature
dealt damage by this creature dies, create X 0/1
black and green insect tokens with flying,
where X is that creature's toughness" until
end of turn. Use this ability only once per turn.
{b/g}, sacrifice an insect: Corpsefly Mother deals 1
damage to target creature.
She nurtures death and grows decay.