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 vintage, Legal in brawl, Legal in timeless, Legal in modern, Legal in penny, Legal in legacy, Legal in gladiator, Legal in commander, Legal in historic, Legal in oathbreaker, Legal in duel, Legal in pioneer Price: $5.72 Foil price: $3.99