Outland Colossus (ORI) from Magic Origins, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Ryan Pancoast
• Card Text:
  Renown 6 (When this creature deals combat damage to a player, if it isn't renowned, put six +1/+1 counters on it and it becomes renowend.)
  Outland Colossus can't be blocked by more than one creature.