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.
![Berta, Wise Extrapolator [Secrets of Strixhaven Promos] | Game Master's Emporium (The New GME)](http://thenewgme.com/cdn/shop/files/689896.jpg?v=1778014814)
