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 commander, Legal in oathbreaker, Legal in historic, Legal in legacy, Legal in alchemy, Legal in brawl, Legal in gladiator, Legal in modern, Legal in timeless, Legal in future, Legal in standard, Legal in standardbrawl, Legal in duel, Legal in pioneer, Legal in vintage, Legal in penny Price: $0.34 Foil price: $0.33