Meandering Towershell (KTK) from Khans of Tarkir, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: YW Tang
• Card Text:
  Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
  Whenever Meandering Towershell attacks, exile it. Return it to the battlefield under your control tapped and attacking at the beginning of the declare attackers step on your next turn.