Colossal Pumpkin

If this creature was cast with the extra {r}, it gains haste and put two +1/+0 counters on it

If this creature was cast with the extra {g}, This creature gains forestwalk & create
two food tokens ({2},{t}: sacrifice food token to gain
3 life.)

When this creature dies or leaves the battlefield create a 3/1 Pumpkin Horror creature token