Your search for "Lethargy Trap 51" revealed the following:
Lethargy Trap (ZEN) from Zendikar, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Anthony Francisco Card Text:If three or more creatures are attacking, you may pay U rather than pay Lethargy Trap's mana cost.Attacking creatures get -3/-0 until...
Lethargy Trap (Foil) (ZEN) from Zendikar, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Anthony Francisco Card Text:If three or more creatures are attacking, you may pay U rather than pay Lethargy Trap's mana cost.Attacking creatures get -3/-0...