Teroh's Vanguard (TOR) from Torment, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Greg Hildebrandt & Tim Hildebrandt
• Card Text:
  You may play Teroh's Vanguard any time you could play an instant.
  Threshold — When Teroh's Vanguard comes into play, creatures you control gain protection from black until end of turn. (You have threshold if seven or more cards are in your graveyard.)