Thief of Hope is a uncommon Creature — Spirit card from Champions of Kamigawa (CHK), collector number 147. Current market price: $0.14 (foil $1.01), TCGplayer market prices via Scryfall.
Whenever you cast a Spirit or Arcane spell, target opponent loses 1 life and you gain 1 life. Soulshift 2 (When this creature dies, you may return target Spirit card with mana value 2 or less from your graveyard to your hand.)