Caduceus, Necrotic Annotator

When Caduceus, Necrotic Annotator enters
the battlefield, you may pay {g}{2} and 1 life:
Target creature gets +3/+3 and trample
until the end of the turn.
{b}{t}: Put a -1/-1 counter on target creature.
"Have you ever been in nature? Yes! Violence
is extremely natural."