Reaper's Talisman (AFR) from Adventures in the Forgotten Realms, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Olena Richards
• Card Text:
  Whenever equipped creature attacks, it gains deathtouch until end of turn.
  Whenever equipped creature attacks alone, defending player loses 2 life and you gain 2 life.
  Equip 2 (2: Attach to target creature you control. Equip only as a sorcery.)