Centaur Chieftain (TOR) from Torment, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Justin Sweet
• Card Text:
  Haste
  Threshold — When Centaur Chieftain comes into play, creatures you control get +1/+1 and gain trample until end of turn. (You have threshold if seven or more cards are in your graveyard.)