Underworld Hermit is a uncommon Creature — Human Peasant card from The List (PLST), collector number MH2-105. Current market price: $0.12, TCGplayer market prices via Scryfall.
When this creature enters, create a number of 1/1 green Squirrel creature tokens equal to your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)