Spirespine is a uncommon Enchantment Creature — Beast card from Journey into Nyx (JOU), collector number 142. Current market price: $0.10 (foil $0.24), TCGplayer market prices via Scryfall.
Bestow {4}{G} (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.) This creature blocks each combat if able. Enchanted creature gets +4/+1 and blocks each combat if able.