Incubation Druid [March of the Machine Commander]

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.

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