Living Laser (MSC) from Marvel Super Heroes Commander, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Nathaniel Himawan
• Card Text:
  Haste
  Whenever Living Laser attacks, for each card you've discarded this turn, create a token that's a copy of Living Laser, except the token isn't legendary.
  The tokens enter tapped and attacking. Exile the tokens at the beginning of the next end step.