Prickly Pair is a common Creature — Plant Mercenary card from Outlaws of Thunder Junction (OTJ), collector number 137. Current market price: $0.09 (foil $0.17), TCGplayer market prices via Scryfall.
When this creature enters, create a 1/1 red Mercenary creature token with "{T}: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery."