---
name: "Obsidian Fireheart"
mana_cost: "{1}{R}{R}{R}"
cmc: 4
type_line: "Creature — Elemental"
colors: ["R"]
color_identity: ["R"]
keywords: []
set: "ZEN"
set_name: "Zendikar"
collector_number: "140"
rarity: "mythic"
artist: "Raymond Swanland"
oracle_id: "c3b3e070-28f6-4852-816e-caffe358b6fe"
canonical_url: "https://avascry.com/printing/obsidian-fireheart-zen"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "legal"
---

# Obsidian Fireheart
- **Mana Cost:** `{1}{R}{R}{R}` (CMC: 4)
- **Type:** Creature — Elemental
- **Power/Toughness:** 4/4

## Oracle Text
{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 this creature has left the battlefield.)

## Top 4096-Dim Neural Synergies
1. [Searing Blaze](/printing/searing-blaze-plst.md) — Instant
2. [Ogre Arsonist](/printing/ogre-arsonist-pidw.md) — Creature — Ogre
3. [Burning Earth](/printing/burning-earth-m14.md) — Enchantment
4. [Devour in Flames](/printing/devour-in-flames-ogw.md) — Sorcery
5. [Igneous Elemental](/printing/igneous-elemental-j21.md) — Creature — Elemental
6. [Tunnel Ignus](/printing/tunnel-ignus-som.md) — Creature — Elemental

## Printing Details
- **Set:** Zendikar (ZEN) #140
- **Rarity:** Mythic
- **Artist:** Raymond Swanland
- **Total Printings:** 10 across all historical editions

## Format Legalities
Commander: `legal` | Standard: `not_legal` | Modern: `legal` | Pioneer: `not_legal` | Legacy: `legal` | Vintage: `legal` | Pauper: `not_legal` | Penny: `legal`