Predator's Gambit (AVR) from Avacyn Restored, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Zoltan Boros
• Card Text:
  Enchant creature
  Enchanted creature gets +2/+1.
  Enchanted creature has intimidate as long as its controller controls no other creatures. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.)