Needle Spires (OGW) from Oath of the Gatewatch, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Jonas De Ro
• Card Text:
  Needle Spires enters the battlefield tapped.
  T: Add R or W to your mana pool.
  2RW: Needle Spires becomes a 2/1 red and white Elemental creature with double strike until end of turn. It's still a land.