Mold Frog

Defender. Mold Frog enters the battlefield with a mold counter.
{t}: Remove a mold counter from Mold
Frog. Add {g} or {u}.
{t}: Put -0/-1 counter and a mold counter on Mold Frog.
{u}: Draw a card. Discard a card unless you
put a -0/-1 counter on Mold Frog.