Shaper Parasite (PLC) from Planar Chaos, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: rk post
• Card Text:
  Morph 2U (You may play this face down as a 2/2 creature for 3. Turn it face up any time for its morph cost.)
  When Shaper Parasite is turned face up, target creature gets +2/-2 or -2/+2 until end of turn.