Berta, Wise Extrapolator — Secrets of Strixhaven #346 (NM, EN, Non-Foil)

Set: Secrets of Strixhaven (SOS)
Collector number: 346
Condition: NM
Language: EN
Finish: Normal

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.