Name: Impervious Greatwurm Cost: 7GGG CMC: 10 Color: G CID: G Type: Creature -- Wurm Pow/Tgh: 16/16 Rules Text: Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Indestructible Set/Rarity: Guilds of Ravnica mythic, Double Masters 2022 rare Set Code: GRN-M, 2X2-R Legality: Legal in timeless, Legal in modern, Legal in gladiator, Legal in legacy, Legal in brawl, Legal in oathbreaker, Legal in historic, Legal in commander, Legal in vintage, Legal in penny, Legal in pioneer, Legal in duel Price: $5.40 Foil price: $3.99