Quantum Reduction (MSC) from Marvel Super Heroes Commander, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Justine Cruz
• Card Text:
  Teamwork 2 (As an additional cost to cast this spell, you may tap any number of creatures you control with total power 2 or more.)
  You may cast this spell as though it had flash if it's cast using teamwork.
  Enchant creature
  Enchanted creature gets -5/-0 and loses all abilities.