Gweopy, Swamp Master

Trample, Hexproof from Black
Whenever an ooze enters the battlefield under
your control, it gains a +1/+1 counter if
Gweopy, Swamp Master is untapped.
Whenever an ooze you control dies, replace it
with an ooze token with half
the power and toughness.
{b}{g}, {t}: Create a 2/2 ooze token with trample