Tiamat - Borderless (AFR) from Adventures in the Forgotten Realms, available at 401 Games Canada.

• Rarity: Mythic Rare
• Finish: Normal
• Artist: Tyler Jacobson
• Card Text:
  Flying
  When Tiamat enters the battlefield, if you cast it, search your library for up to five Dragon cards not named Tiamat that each have different names, reveal them, put them into your hand, then shuffle.