Your search for "Last-Ditch Effort 83" revealed the following:
Last-Ditch Effort (ULG) from Urza's Legacy, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Dan Frazier Card Text:Sacrifice X creatures. Last-Ditch Effort deals X damage to target creature or player.
Last-Ditch Effort (Foil) (ULG) from Urza's Legacy, available at 401 Games Canada. Rarity: Uncommon Finish: Foil Artist: Dan Frazier Card Text:Sacrifice X creatures. Last-Ditch Effort deals X damage to target creature or player.