Ima-Gun Di

{t}: Add one mana of any type that a land you
control could produce. If Incubation Druid has a
+1/+1 counter on it, add three mana of that type
instead.

{3}{g}{g}: Adapt 3. (If this creature has no +1/+1
counters on it, put three +1/+1 counters on it.)