Enduring Innocence is a rare Enchantment Creature — Sheep Glimmer card from Duskmourn: House of Horror (DSK), collector number 6. Current market price: $3.29 (foil $5.09), TCGplayer market prices via Scryfall.
Lifelink Whenever one or more other creatures you control with power 2 or less enter, draw a card. This ability triggers only once each turn. When Enduring Innocence dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.)