Obsidian Fireheart [Zendikar]Set: Zendikar Type: Creature Elemental Rarity: Mythic Cost: {1}{R}{R}{R} {1}{R}{R}: 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.)