Savior of the Sleeping is a common Creature — Human Knight card from Wilds of Eldraine (WOE), collector number 28. Current market price: $0.15 (foil $0.09), TCGplayer market prices via Scryfall.
Vigilance Whenever an enchantment you control is put into a graveyard from the battlefield, put a +1/+1 counter on this creature.