Nyxborn Shieldmate is a common Enchantment Creature — Human Soldier card from Born of the Gods (BNG), collector number 21. Current market price: $0.14 (foil $0.25), TCGplayer market prices via Scryfall.
Bestow {2}{W} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached.) Enchanted creature gets +1/+2.