Stalactite Dagger (ECL) from Lorwyn Eclipsed, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Drew Tucker
• Card Text:
  When this Equipment enters, create a 1/1 colorless Shapeshifter creature token with changeling. (It's every creature type.)
  Equipped creature gets +1/+1 and is all creature types.
  Equip 2 (2: Attach to target creature you control. Equip only as a sorcery.)