Nether Traitor (TSR) from Time Spiral Remastered, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Vance Kovacs
• Card Text:
  Haste
  Shadow (This creature can block or be blocked by only creatures with shadow.)
  Whenever another creature is put into your graveyard from the battlefield, you may pay B. If you do, return Nether Traitor from your graveyard to the battlefield.