Exploding Borders (CON) from Conflux, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Zoltan Boros & Gabor Szikszai
• Card Text:
  Domain — Search your library for a basic land card, put that card into play tapped, then shuffle your library. Exploding Borders deals X damage to target player, where X is the number of basic land types among lands you control.