Sacred Foundry (GTC) from Gatecrash, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Sam Burley
• Card Text:
  (T: Add R or W to your mana pool.)
  As Sacred Foundry enters the battlefield, you may pay 2 life. If you don't, Sacred Foundry enters the battlefield tapped.