Charnel Troll (GRN) from Guilds of Ravnica, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Daniel Ljunggren
• Card Text:
  Trample
  At the beginning of your upkeep, exile a creature card from your graveyard. If you do, put a +1/+1 counter on Charnel Troll. Otherwise, sacrifice it.
  BG, Discard a creatuer card: Put a +1/+1 counter on Charnel Troll.