Hidden Volcano

Land — Cave

This land enters tapped.
{T}: Add {R}.
{4}{R}, {T}, Sacrifice this land: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

CMC
0
Mana cost
Color identity
R
Rarity
common
Set
The Lost Caverns of Ixalan
Price
$0.20
EDHREC rank
#3679
Buy on TCGplayer
Hidden Volcano card art
Hidden Volcano enters untapped and produces red mana — the cost is exiling a card from your hand face-down, which in exile-matters decks is a feature, not a drawback. Laelia, the Blade Reforged grows from cards exiled this way, making Hidden Volcano one of the few lands that actively fuels her engine while fixing your mana.

Best Commanders

Commanders with the highest synergy

01
Laelia, the Blade Reforged

Laelia, the Blade Reforged

47.9% of decks · synergy 0.45

Hidden Volcano is purpose-built for Laelia, the Blade Reforged — every activation exiles a card, which is exactly what Laelia needs to grow and to cast spells for free off the top of the exile pile.

02
Radha, Heir to Keld

Radha, Heir to Keld

45.6% of decks · synergy 0.44

Radha, Heir to Keld wants red mana available on opponents' turns to keep her combat ability online, and Hidden Volcano delivers that untapped on entry while its exile cost feeds any secondary exile synergies in the 99.

03
Zoyowa Lava-Tongue

Zoyowa Lava-Tongue

22.6% of decks · synergy 0.22

Zoyowa Lava-Tongue cares about exiling cards and dealing damage from exile effects, so Hidden Volcano's repeated exile activations slot cleanly into that gameplan without costing a spell slot.

04
Ruby, Daring Tracker

Ruby, Daring Tracker

22.8% of decks · synergy 0.21

Ruby, Daring Tracker rewards aggressive red play with cheap, efficient mana, and Hidden Volcano's untapped red entry keeps her curve moving while the exile cost is largely irrelevant in a deck already leaning on graveyard-light lines.

Format Analysis

Where it lives, where it can’t

FormatVerdict
commander
legacy
modern
pioneer
standard
vintage
pauper
oathbreaker

Hidden Volcano is legal across every major format, but its home is Commander, where exile-matters commanders turn the activation cost into an upside. In competitive 60-card formats like Modern and Legacy, the card is nearly invisible — untapped red lands without strict upside don't compete with fetchlands and dual lands in those environments. Pauper is the one 60-card format worth watching: budget red decks that want untapped basics or pseudo-basics and can tolerate the exile cost could find Hidden Volcano playable as a one- or two-of. In Commander, the calculus is simple — if your commander or deck cares about exiling cards from hand, Hidden Volcano is a free roll at bulk pricing.

Key Combos

Combo lines featuring this card

Price Context

Current price

$0.20 bulk tier

At $0.20, Hidden Volcano sits firmly in bulk territory, which is appropriate for a card with a narrow but real niche. It won't appreciate in price unless exile-matters commanders surge in popularity, so buy it when you need it and don't chase copies speculatively.

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Updated . Data from Scryfall, EDHREC, and Commander Spellbook.