Pardic Arsonist is a uncommon Creature — Human Barbarian card from Torment (TOR), collector number 105. Current market price: $0.11 (foil $0.75), TCGplayer market prices via Scryfall.
Threshold — As long as there are seven or more cards in your graveyard, this creature has "When this creature enters, it deals 3 damage to any target."