Estwald Shieldbasher (VOW) from Innistrad: Crimson Vow, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Wayne Reynolds
• Card Text:
  Whenever Estwald Shieldbasher attacks, you may pay 1. If you do, it gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)