Fractal Anomaly is a uncommon Instant card from Secrets of Strixhaven (SOS), collector number 50. Current market price: $0.22 (foil $0.27), TCGplayer market prices via Scryfall.
Create a 0/0 green and blue Fractal creature token and put X +1/+1 counters on it, where X is the number of cards you've drawn this turn.