Leonin Relic-Warder (MBS) from Mirrodin Besieged, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Greg Staples
• Card Text:
  When Leonin Relic-Warder enters the battlefield, you may exile target artifact or enchantment.
  When Leonin Relic-Warder leaves the battlefield, return the exiled card to the battlefield under its owner's control.