Coralhelm Commander (ROE) from Rise of the Eldrazi, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Jaime Jones
• Card Text:
  Level up 1 (1: Put a level counter on this. Level up only as a sorcery.)
  [Level 2-3] Flying [3/3]
  [Level 4+] Flying
  Other Merfolk creatures you control get +1/+1. [4/4]