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 Promos rare, Secrets of Strixhaven rare Set Code: PSOS-R, SOS-R Legality: Legal in pioneer, Legal in alchemy, Legal in standardbrawl, Legal in future, Legal in vintage, Legal in brawl, Legal in timeless, Legal in modern, Legal in penny, Legal in legacy, Legal in standard, Legal in gladiator, Legal in oathbreaker, Legal in commander, Legal in historic, Legal in duel Price: $0.37 Foil price: $0.33