Goblin Piledriver (ORI) from Magic Origins, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Matt Cavotta
• Card Text:
  Protection from blue (This creature can't be blocked, targeted, dealt damage, or enchanted by anything blue.)
  Whenever Goblin Piledriver attacks, it gets +2/+0 until end of turn for each other attacking Goblin.