Mausoleum Wanderer (EMN) from Eldritch Moon, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Kieran Yanner
• Card Text:
  Flying
  Whenever another Spirit enters the battlefield under your control, Mausoleum Wanderer gets +1/+1 until end of turn.
  Sacrifice Mausoleum Wanderer: Counter target instant or sorcery spell unless its controller pays X, where X is Mausoleum Wanderer's power.