Primal Boost is a common Instant card from Dominaria Remastered (DMR), collector number 173. Current market price: $0.05 (foil $0.22), TCGplayer market prices via Scryfall.
Target creature gets +4/+4 until end of turn. Cycling {2}{G} ({2}{G}, Discard this card: Draw a card.) When you cycle this card, you may have target creature get +1/+1 until end of turn.