Urge to Feed (VOC) from Crimson Vow Commander, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Johann Bodin
• Card Text:
  Target creature gets -3/-3 until end of turn. You may tap any number of untapped Vampire creatures you control. If you do, put a +1/+1 counter on each of those Vampires.