Insidious Roots (Showcase) [Murders at Karlov Manor]

Set: Murders at Karlov Manor Type: Enchantment Rarity: Uncommon Cost: {B}{G} Creature tokens you control have "{T}: Add one mana of any color."Whenever one or more creature cards leave your graveyard, create a 0/1 green Plant creature token, then put a +1/+1 counter on each Plant you control.