Sprout Swarm

{1}{G}

Instant

Convoke (Each creature you tap while playing this spell reduces its total cost by {1} or by one mana of that creature's color.)

Buyback {3} (You may pay an additional {3} as you play this spell. If you do, put this card into your hand as it resolves.)

Put a 1/1 green Saproling creature token into play.