| | Name | Type | Supertype | Subtype | Tags | Cost | Rules | ATK | Health | # |
| Lucifron | Hero | | | Boss 1 | | FRONT: Lucifron has +2 ATK while attacking and can attack only heroes.
At the start of your third turn, flip Lucifron.
BACK: Lucifron has +2 ATK while attacking and can attack only heroes.
At the end of your turn, Lucifron deals 6 shadow damage to each opposing hero. | | 6 | 1 |
|
| Magmadar | Hero | | | Boss 2 | | FRONT: Magmadar has +5 ATK while attacking and can attack only heroes.
At the end of your turn, flip Magmadar.
BACK: Magmadar has +10 ATK while attacking and can attack only heroes.
1, Exhaust a Hunter in your party  Flip Magmadar. Any player may use this power during that player's turn. | | 12 | 2 |
|
| Gehennas | Hero | | | Boss 3 | | FRONT: Gehennas has +2 ATK while attacking and can only attack heroes.
At the end of your turn, Gehennas deals 3 shadow damage to target opposing hero chosen at random. That hero's controller discards a card. Flip Gehennas.
BACK: Gehennas has +2 ATK while attacking and can only attack heroes.
At the end of your turn, Gehennas deals 1 fire damage to each opposing ally. Flip Gehennas. | | 11 | 3 |
|
| Garr | Hero | | | Boss 4 | | FRONT: Garr has +3 ATK while attacking and can attack only heroes.
At the end of each turn, if you have four or fewer Firesworn, flip Garr.
BACK: Garr has +6 ATK while attacking and can attack only heroes.
1 Destroy one of your Firesworn. If you do, it deals 2 fire damage to each hero and ally in target opponent's party. | | 14 | 4 |
|
| Baron Geddon | Hero | | | Boss 5 | | FRONT: When Baron Geddon enters play, each opponent destroys all but five of his resources.
At the end of your turn, Baron Geddon deals 1 fire damage to each opposing hero and ally for each resource you have.
 Flip Baron Geddon.
BACK: Destroy Baron Geddon Baron Geddon deals 12 fire damage to each opposing hero and ally. Use only if Baron Geddon has 12 or more damage. | | 15 | 5 |
|
| Shazzrah | Hero | | | Boss 6 | | FRONT: Shazzrah has +2 ATK while attacking and can attack only heroes.
1 Flip Shazzrah. Use only once per turn.
BACK: When Shazzrah flips to this side, drop him from at least three feet above play. He deals 5 arcane damage to each opposing hero and ally he lands on.
At the start of your turn, flip Shazzrah. | | 13 | 6 |
|
| Sulfuron Harbinger | Hero | | | Boss 7 | | FRONT: Sulfuron Harbinger has +4 ATK while attacking and can attack only heroes.
Flip Sulfuron Harbinger. Use only on your turn.
BACK: Sulfuron Harbinger has +8 ATK while attacking and can attack only heroes. | | 10 | 7 |
|
| Golemagg the Incinerator | Hero | | | Boss 8 | | FRONT: Golemagg has +5 ATK while attacking and can attack only heroes.
At the end of your turn, Golemagg deals 3 fire damage to target opposing hero or ally.
At the start of your turn, if Golemagg has 15 or more damage, flip him.
BACK: Golemagg has +5 while attacking and can attack only heroes.
When Golemagg is dealt damage, he deals 5 melee damage to the source of that damage. | | 20 | 8 |
|
| Majordomo Executus | Hero | | | Boss 9 | | FRONT: At the start of your turn, flip a coin. If it's heads, prevent all damage that would be dealt by opposing allies until your next turn. If it's tails, destroy all abilities attached to your allies and prevent all damage that would be dealt with opposing abilities until your next turn.
At the end of each turn, if you have no allies, flip Majordomo Executus.
BACK: When Majordomo Executus flips to this side, say, "Behold Ragnaros-the Firelord! He who was ancient when this world was young! Bow before him, mortals! Bow before your ending!" Ragnaros awakens. | | | 9 |
|
| Ragnaros | Hero | | | Submerged | | FRONT: Untargetable
Ragnaros can't be dealt damage. You can't play or discard cards.
At the start of your turn, flip Ragnaros.
BACK: Ragnaros has +10 ATK while attacking and can attack only heroes.
Ragnaros can't be dealt fire damage. At the end of your turn, if you have exactly three resources, put eight Sons of Flame into play and flip Ragnaros. | | 50 | 10 |
|
| Rune of Kress | Rune | | Magmadar | Boss 2 | | At the end of your turn, roll a die.
1: Nothing happens.
2-3: Magmadar deals 1 fire damage to each hero and ally in a party of your choice.
4-5: Magmadar deals 3 fire damage to an opposing hero or ally.
6: Each opponent puts an ally from his party into its owner's hand. | | | 11 |
|
| Rune of Mohn | Rune | | Gehennas | Boss 3 | | Opposing heroes and allies can't be healed. | | | 12 |
|
| Rune of Blaz | Rune | | Garr | Boss 4 | | At the end of your turn, destroy all opposing abilities. | | | 13 |
|
| Rune of Zeth | Rune | | Baron Geddon | Boss 5 | | At the start of your turn, if a hero is The Bomb, Baron Geddon deals 5 fire damage to that hero and each ally in its party.
At the end of your turn, choose an opposing hero to be The Bomb until the ned of your next turn. | | | 14 |
|
| Rune of Mazj | Rune | | Shazzrah | Boss 6 | | When an opponent plays an ability card, interrupt it. | | | 15 |
|
| Rune of Koro | Rune | | Sulfuron Harbinger | Boss 7 | | Opposing allies have -2 ATK. | | | 16 |
|
| Rune of Theri | Rune | | Golemagg the Incinerator | Boss 8 | | Your Core Ragers can't be destroyed or otherwise leave your control while your hero is Golemagg.
When Golemagg is destroyed, remove all of your Core Ragers from the game. | | | 17 |
|
| Ashes to Ashes | Ability | | Molten Core | | 3 | Each opponent chooses an ally in his party and removes it from the game. If your hero is Majordomo Executus, you choose instead.
Ongoing: When an ally is destroyed, remove it from the game. | | | 18 |
|
| Flame Burst | Ability | | Molten Core | | 4 | Each opponent destroys one of his resources. | | | 19 |
|
| Flames of the Incinerator | Ability | | Molten Core | | 2 | Attach to target opposing hero or ally, and your hero deals 3 fire damage to it.
Ongoing: At the start of your turn, your hero deals 1 fire damage to attached character, or 4 damage if your hero is Golemagg. | | | 20 |
|
| Gehennas's Shadowbolt | Ability | | Molten Core | | 3 | Your hero deals 4 shadow damage to target opposing hero or ally. If your hero is Gehennas, each opponent discards a card. | | | 21 |
|
| Hotter Than Goo | Ability | | Molten Core | | 6 | Destroy all of target opponent's abilities, allies, and equipment. | | | 22 |
|
| Inspire | Ability | Instant | Molten Core | | 4 | You may flip your hero.
If your hero is Sulfuron Harbinger, you may ready him. | | | 23 |
|
| Lava Pool | Ability | | Molten Core | | 2 | Destroy target ability, ally, or equipment. | | | 24 |
|
| Lava Spit | Ability | Instant | Molten Core | | 1 | Your hero deals 2 fire damage to target opposing ally. If your hero is Magmadar, he also deals 2 fire damage to each other hero and ally in that ally's party. | | | 25 |
|
| Living Bomb | Ability | | Molten Core | | 1 | Attach to target opposing ally.
Ongoing: At the start of your turn, destroy attached ally. If your hero is Baron Geddon, that ally deals fire damage equal to ist cost to each other hero and ally in ist party. | | | 26 |
|
| Lucifron's Curse | Ability | Instant | Molten Core | | 1 | Choose one: Destroy target ability; or interrupt target ability card. If your hero is Lucifron, you may choose both. | | | 27 |
|
| Magma Shackles | Ability | | Molten Core | | 1 | Attach to target ally and exhaust it.
Ongoing: Attached ally can't ready during its controller's ready step. While your hero is Garr, each ally in that ally's party can't ready during its controller's ready step. | | | 28 |
|
| Shazzrah's Arcane Explosion | Ability | Instant | Molten Core | | 2 | Your hero deals 1 arcane damage to each hero and ally in target opponent's party. If your hero is Shazzrah, draw three cards. | | | 29 |
|
| Tight Quarters | Ability | Instant | Molten Core | | 1 | Destroy target equipment. | | | 30 |
|
| Unexpected Distraction | Ability | Instant | Molten Core | | 1 | Prevent all damage that would be dealt to target hero or ally this turn. | | | 31 |
|
| Volcanic Lair | Ability | | Molten Core | | 1 | Ongoing: At the start of your turn, if you have five or more resources, destroy target opposing hero. | | | 32 |
|
| Ancient Core Hound | Ally | | | | | When Ancient Core Hound enters play, roll a die.
1-2: Exhaust all opposing allies.
3-4: Ancient Core Hound deals 2 fire damage to each ally in a party of your choice.
5-6: Put an opposing ally into ist owner's hand. | 3 | 3 | 33 |
|
| Firelord | Ally | | | | | When Firelord enters play, put a Lava Spawn into play. | 2 | 2 | 34 |
|
| Flame Imps | Ally | | | | | | 2 | 1 | 35 |
|
| Lava Annihilator | Ally | | | | | When Lava Annihilator enters play, you may destroy target ally. | 1 | 3 | 36 |
|
| Lava Pack | Ally | | | | | When Lava Pack enters play, put the top card of the Minion deck into play as an ally. | 3 | 2 | 37 |
|
| Lava Surger | Ally | | | | | When Lava Surger deals combat damage to a hero, ready Lava Surger. It can't attack that hero this turn. | 4 | 1 | 38 |
|
| Molten Destroyer | Ally | | | | | Molten Destroyer has +1 ATK and +1 health for each rune you have. | 3 | 3 | 39 |
|
| Molten Giants | Ally | | | | | Molten Giants has +1 ATK and +1 health for each rune you have. | 1 | 1 | 40 |
|
| "BY FIRE BE PURGED" | Ability | | Ragnaros | | 7 | Choose two: Destroy all opposing abilities; destroy all opposing allies; or destroy all opposing equipment. | | | 41 |
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| "DIE, INSECT!" | Ability | Instant | Ragnaros | | 2 | Ongoing: When an opposing ally is destroyed, draw a card.
When an opposing hero is destroyed, draw a card for each rune you have. | | | 42 |
|
| Elemental Fire | Ability | Instant | Ragnaros | | 1 | When a hero or ally deals damage to Ragnaros this turn, Ragnaros deals that much fire damage to each hero and ally in that character's party. | | | 43 |
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| Flames of Sulfuron | Ability | Instant | Ragnaros | | 1 | Ragnaros deals 1 fire damage to target hero or ally for each rune you have. | | | 44 |
|
| Flaming Assault | Ability | Instant | Ragnaros | | 3 | Ready Ragnaros. | | | 45 |
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| Fury of the Firelord | Ability | | Ragnaros | | 15 | Ragnaros deals 50 fire damage to each opposing hero and ally. That damage can't be prevented.
Fury of the Firelord can't be interrupted. | | | 46 |
|
| Hammer of Ragnaros | Ability | | Ragnaros | | 1 | Destroy target ability, ally, or equipment. Its controller destroys another one of his abilities, allies, or equipment. | | | 47 |
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| Lava Splash | Ability | | Ragnaros | | 3 | Ragnaros deals 1 fire damage to each hero and ally in target player's party for each rune you have. | | | 48 |
|
| Magma Blast | Ability | | Ragnaros | | 3 | Ongoing: At the end of each opponent's turn, if Ragnaros isn't Submerged and was dealt no damage this turn, Ragnaros deals 1 fire damage to that player's hero for each rune you have. | | | 49 |
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| Melt Weapon | Ability | | Ragnaros | | 2 | Destroy all of target opponent's equipment. | | | 50 |
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| "NOW FOR YOU, INSECTS!" | Ability | Instant | Ragnaros | | 2 | Interrupt target ability, ally, or equipment card. | | | 51 |
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| Unstoppable Flame | Ability | | Ragnaros | | 1+X | This turn, Ragnaros has +X ATK, is untargetable, and can't be protected against. | | | 52 |
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| Wrath of Ragnaros | Ability | | Ragnaros | | 2 | Destroy target ally. Ragnaros deals fire damage equal to that ally's cost to a hero in that ally's party. | | | 53 |