Jarad, Golgari Lich Lord is a mythic Legendary Creature — Zombie Elf card from Commander 2015 (C15), collector number 223. Current market price: $2.53, TCGplayer market prices via Scryfall.
Jarad gets +1/+1 for each creature card in your graveyard. {1}{B}{G}, Sacrifice another creature: Each opponent loses life equal to the sacrificed creature's power. Sacrifice a Swamp and a Forest: Return this card from your graveyard to your hand.