Incubation Druid is a rare Creature — Elf Druid card from New Capenna Commander (NCC), collector number 296. Current market price: $2.87, TCGplayer market prices via Scryfall.
{T}: Add one mana of any type that a land you control could produce. If this creature 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.)