Pitiless Carnage (OTJ) from Outlaws of Thunder Junction, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Richard Kane Ferguson
• Card Text:
  Sacrifice any number of permanents you control, then draw that many cards.
  Plot 1BB (You may pay 1BB and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)