Branching Evolution is a rare Enchantment card from Modern Horizons 3 (MH3), collector number 285. Current market price: $8.18 (foil $9.06), TCGplayer market prices via Scryfall.
If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on that creature instead.