
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 has 3 printings, first in Secrets of Strixhaven (2026). EDHREC ranks it #9,220 among Commander cards. It appears most in Primo, the Unbounded decks (1,821 on EDHREC). It has 6 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.