Plunge into Darkness (5DN) from Fifth Dawn, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Justin Sweet
• Card Text:
  Choose one — Sacrifice any number of creatures, then you gain 3 life for each sacrificed creature; or pay X life, then look at the top X cards of your library,
  put one of those cards into your hand, and remove the rest from the game.
  Entwine B (Choose both if you pay the entwine cost.)