Strength from the Fallen is a uncommon Enchantment card from Journey into Nyx (JOU), collector number 143. Current market price: $0.22 (foil $0.49), TCGplayer market prices via Scryfall.
Constellation — Whenever this enchantment or another enchantment you control enters, target creature gets +X/+X until end of turn, where X is the number of creature cards in your graveyard.