Obsidian Fireheart (E01) from Archenemy: Nicol Bolas, available at 401 Games Canada.

• Rarity: Mythic Rare
• Finish: Normal
• Artist: Raymond Swanland
• Card Text:
  1RR: Put a blaze counter on target land without a blaze counter on it. For as long as that land has a blaze counter on it, it has "At the beginning of your upkeep, this land deals 1 damage to you." (The land continues to burn after Obsidian Fireheart has left the battlefield.)