Renewed Solidarity is a rare Enchantment card from Aetherdrift Commander (DRC), collector number 23. Current market price: $4.98, TCGplayer market prices via Scryfall.
As this enchantment enters, choose a creature type. Creatures you control of the chosen type get +1/+0. At the beginning of your end step, for each token you control of the chosen type that entered this turn, create a token that's a copy of it.