Primal Vigor is a rare Enchantment card from Commander 2013 (C13), collector number 162. Current market price: $13.95, TCGplayer market prices via Scryfall.
If one or more tokens would be created, twice that many of those tokens are created instead. If one or more +1/+1 counters would be put on a creature, twice that many +1/+1 counters are put on that creature instead.