Waste Not (M15) from Magic 2015, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Matt Stewart
• Card Text:
  Whenever an opponent discards a creature card, put a 2/2 black Zombie creature token onto the battlefield.
  Whenever an opponent discards a land card, add BB to your mana pool.
  Whenever an opponent discards a noncreature, nonland card, draw a card.