Your search for "empty the pits 72" revealed the following:
Empty the Pits (KTK) from Khans of Tarkir, available at 401 Games Canada. Rarity: Mythic Rare Finish: Normal Artist: Ryan Alexander Lee Card Text:Delve (Each card you exile from your graveyard while casting this spell pays for 1.)Put X 2/2...
Empty the Pits (Foil) (KTK) from Khans of Tarkir, available at 401 Games Canada. Rarity: Mythic Rare Finish: Foil Artist: Ryan Alexander Lee Card Text:Delve (Each card you exile from your graveyard while casting this spell pays for 1.)Put X...