Name: Berta, Wise Extrapolator Cost: 2GU CMC: 4 Color: GU CID: GU Type: Legendary Creature -- Frog Druid Pow/Tgh: 1/4 Rules Text: Increment (Whenever you cast a spell, if the amount of mana you spent is greater than this creature's power or toughness, put a +1/+1 counter on this creature.) Whenever one or more +1/+1 counters are put on Berta, add one mana of any color. {X}, {T}: Create a 0/0 green and blue Fractal creature token and put X +1/+1 counters on it. Set/Rarity: Secrets of Strixhaven rare, Secrets of Strixhaven Promos rare Set Code: SOS-R, PSOS-R Legality: Legal in legacy, Legal in penny, Legal in oathbreaker, Legal in brawl, Legal in modern, Legal in standardbrawl, Legal in duel, Legal in gladiator, Legal in commander, Legal in future, Legal in timeless, Legal in pioneer, Legal in historic, Legal in alchemy, Legal in vintage, Legal in standard Price: $0.33 Foil price: $0.39