Crucible of Fire
Enchantment
Dragon creatures you control get +3/+3.
- CMC
- 4
- Mana cost
- Color identity
- R
- Rarity
- rare
- Set
- Magic 2015
- Price
- $1.95
- EDHREC rank
- #3573
Crucible of Fire hands every Dragon you control +3/+3, turning mid-sized flyers into threats that demand an immediate answer and converting even token Dragons into genuine finishers. Four mana is real cost, but in any deck where Atarka, World Render is already doubling damage or Ganax, Astral Hunter is churning out Treasure, that investment pays back the turn it lands.
Best Commanders
Commanders with the highest synergy

Atarka, World Render
Atarka, World Render already forces double-strike on your attacking Dragons, and Crucible of Fire stacks on top — every swing becomes a race opponents almost certainly lose to lethal damage.

Lathliss, Dragon Queen
Lathliss, Dragon Queen generates a fresh Dragon token every time you cast a Dragon, and Crucible of Fire means each of those tokens enters the field as a 5/5 flyer rather than a 2/2, immediately threatening to end games on the crack-back.


Ganax, Astral Hunter // Acolyte of Bahamut
Ganax, Astral Hunter builds a Treasure engine that naturally accelerates into Crucible of Fire early, then turns the resulting flood of Dragons into an air force that closes out games before opponents stabilize.

Rivaz of the Claw
Rivaz of the Claw recurs Dragons from the graveyard and lets you cast them at flash speed, so Crucible of Fire guarantees that each recycled threat comes back bigger and closes faster than opponents expect.

Klauth, Unrivaled Ancient
Klauth, Unrivaled Ancient already generates explosive mana off combat damage, and Crucible of Fire pushes his own power high enough that a single attack routinely funds the rest of your hand.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | legal |
| pioneer | legal |
| standard | not legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
Commander is the format where Crucible of Fire actually earns its slot — Dragon tribal is a persistent Commander archetype, and the enchantment's static buff scales aggressively with the wide boards those decks generate. Outside of Commander, the card is legal in Legacy, Modern, Pioneer, and Vintage, but none of those formats run Dragon tribal strategies with enough critical mass for a four-mana do-nothing enchantment to compete. Crucible of Fire is cleanly a Commander card; treat every other legality as theoretical.
Key Combos
Combo lines featuring this card





Ganax, Astral HunterCloudstone CurioSlumbering DragonShivan DevastatorCrucible of Fire
Infinite ETB; Infinite LTB; Infinite storm count
View on Commander Spellbook ↗



Skithiryx, the Blight DragonWarstorm SurgeCrucible of FireRite of Replication
Each opponent loses the game
View on Commander Spellbook ↗Price Context
Current price
$1.95 cheap tier
At $1.95, Crucible of Fire sits at the floor of what a staple enchantment costs — cheap enough to slot without budget consideration in any Dragon deck that wants it. The price reflects steady demand from a narrow but consistent archetype rather than speculation, so it's unlikely to move much in either direction.
Explore
Sources
Mentioned
- Ganax, Astral Hunter
- Atarka, World Render
- Lathliss, Dragon Queen
- Ganax, Astral Hunter // Acolyte of Bahamut
- Rivaz of the Claw
- Klauth, Unrivaled Ancient
- Cloudstone Curio
- Slumbering Dragon
- Shivan Devastator
- Skithiryx, the Blight Dragon
- Warstorm Surge
- Rite of Replication
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.