Soul of Innistrad is a mythic Creature — Avatar card from Commander 2020 (C20), collector number 137. Current market price: $0.33, TCGplayer market prices via Scryfall.
Deathtouch {3}{B}{B}: Return up to three target creature cards from your graveyard to your hand. {3}{B}{B}, Exile this card from your graveyard: Return up to three target creature cards from your graveyard to your hand.