Naya Terrageddon primer: leave a threat after the lands are gone

Quick read

Terrageddon plans to be ahead when Armageddon resolves. Mox Diamond and Weathered Wayfarer find the right lands; utility lands make the mana base active; Terravore grows with land cards in graveyards; and threats plus Swords to Plowshares build the board Armageddon converts.

• Plan: establish a threat and a mana advantage, exchange lands or pressure the opponent’s development, then resolve Armageddon when your remaining board and mana sources make rebuilding unequal.
• Games it creates: midrange turns develop creatures and selection; land denial converts an existing advantage.
• Strength: threats, utility lands, Mox Diamond, and graveyard-based sizing mean it can keep operating after conventional mana is disrupted.
• Structural weakness: it is three colors with a utility-heavy mana base; Mox asks for lands in hand; Armageddon can strand its own spells; and a premature land-destruction turn can turn an advantage into a symmetrical reset.
• Good fit: choose it if you like board-state planning, resource asymmetry, and using lands as spells. Avoid it if you want every land drop to be painless and simple or prefer a deck whose most powerful spell is always correct on curve.

Reference 75

shealey, June 28, 2026

This reference is a Naya configuration. Its red cards are Earthquake in the main deck and red interaction/sweepers in the sideboard; its threats are primarily green and white. The central package is four Mox Diamond, four Terravore, four Wild Mongrel, three Weathered Wayfarer, three Armageddon, and a heavy land suite.

The recorded list totals 60 main-deck cards and 15 sideboard cards.

MAIN DECK — 60

Creatures — 11
4 Terravore
4 Wild Mongrel
3 Weathered Wayfarer

Artifacts — 5
4 Mox Diamond
1 Phyrexian Furnace

Instants — 4
4 Swords to Plowshares

Sorceries — 8
3 Armageddon
3 Call of the Herd
2 Earthquake

Enchantments — 6
4 Sylvan Library
2 Seal of Cleansing

Lands — 26
4 Gemstone Mine
4 Wasteland
4 Windswept Heath
3 Forest
2 City of Brass
2 Plains
2 Rishadan Port
2 Rith's Grove
2 Treetop Village
1 Secluded Steppe

SIDEBOARD — 15
3 Pyroclasm
2 Pyroblast
2 Red Elemental Blast
2 Tormod's Crypt
2 Warmth
1 Circle of Protection: Red
1 Ray of Revelation
1 Reprisal
1 Zuran Orb

The MTGDecks Terrageddon index shows Naya-labeled versions among recent entries (archetype index). That is dated discovery context, not a matchup or field-position claim for this 75.

How the deck gets ahead

Mox Diamond creates a different opening-hand rule

Mox Diamond enters only if its controller chooses to discard a land card; otherwise it goes to its owner’s graveyard. Its mana production can accelerate a Wayfarer, Wild Mongrel, Library, or land-denial turn and can remain after Armageddon. But it asks the opening hand to contain both Mox and a land card that can be given up without collapsing the plan.

An extra land, cycling land, or land that improves Terravore’s future size may be a good discard. The only green/white source or a needed second-turn land is not. Mox is not a free land in mulligans: it changes both the number and identity of lands a keep needs.

Weathered Wayfarer makes the land suite a toolbox

Weathered Wayfarer can search for a land card if an opponent controls more lands than you. It can find a basic for color, Wasteland or Port for pressure, Treetop Village for a threat, or a cycling/utility land as the board requires. The condition is part of the ability, so count both players’ lands at activation. Mox Diamond can make it easier to have fewer lands than the opponent while still using mana.

Wayfarer must tap, needs white mana, and can be removed before it searches. Do not treat every activation as Wasteland: the best land changes the next two turns, whether it is a basic for Swords/Mongrel or a manland for a future Armageddon.

Terravore rewards a planned graveyard, not random destruction

Terravore has trample and power/toughness equal to the number of land cards in all graveyards. Fetchlands, Wasteland, cycling lands, Mox Diamond discards, and Armageddon can all change the count. That makes Terravore large quickly, but its size is not locked in: exiling or returning lands from graveyards changes it, and an Armageddon only helps the creature if it leaves enough lands in graveyards and a board worth protecting.

Count land cards in both graveyards before committing to combat. Trample does not make every attack safe: a blocker still absorbs assigned lethal damage first.

Wild Mongrel lets its controller discard a card to give it +1/+1 and a chosen color until end of turn. It can turn an unneeded land or late card into combat value, place a land in the graveyard for Terravore, and change color to interact with protection. It does not give the deck a license to empty its hand: discard decisions need to preserve the spells and land drops required after an Armageddon.

Armageddon is a conversion, not a starting gun

Armageddon destroys all lands. A good Armageddon leaves you with at least one meaningful advantage: a large Terravore, an active creature board, Mox Diamond mana, a hand that plays from fewer lands, a manland already in play, or a Wayfarer line that finds the first recovery land. A bad Armageddon merely converts a game you were losing into a game where neither player can cast spells.

Before casting it, ask:

1. Who has the better board after all lands are destroyed?
2. Which nonland mana sources remain, and what can each player cast next?
3. Does the opponent have a creature that races yours without needing additional mana?
4. Is a Wasteland/Port activation or a normal attack more punishing this turn?
5. Does your hand still contain a color source or Wayfarer path if the game lasts several turns?

Wasteland and Rishadan Port pose the same resource question. Use them when they stop the opponent’s next action or preserve your tempo. Wastelanding a nonbasic while losing access to Swords next turn can be a losing line.

The supporting cards ensure you have a board worth preserving

Swords to Plowshares clears a creature but gives life equal to its power. In a deck with big Terravores and combat pressure, the life may matter; in a game where the creature would otherwise end you, it does not. Call of the Herd creates a 3/3 Elephant and has flashback, giving the deck material after it trades or discards. It is a better recovery card than it looks after a land-destruction turn, but it still needs its green mana.

Sylvan Library improves top-of-library selection at the cost of decisions about cards and life. The card is powerful when life and turn time are available; it is not a free source of extra cards against a fast race. Seal of Cleansing is a preloaded answer to an artifact or enchantment and can be placed before a resource-reset turn. Phyrexian Furnace applies incremental graveyard pressure and can later sacrifice to clear a target graveyard and draw a card; it matters because Terravore, threshold cards, recursion, and Replenish all care about graveyard contents differently.

Earthquake deals damage to each creature without flying and each player. It can clear small creatures or finish a race, but it damages Terravore, Mongrel, Wayfarer, and you. Do not call it a “sweeper” without checking the exact toughnesses, your life total, and which ground threat must remain after resolution.

Mulligan model

An unknown-matchup opener generally wants:

1. Green or Mox-enabled mana for a threat/Library, plus a credible white source for Wayfarer or Swords.
2. A proactive card: Mongrel, Terravore, Wayfarer, Sylvan Library, or a coherent Mox line.
3. A plan to function after the first land exchange rather than only a future Armageddon.

Mox changes the evaluation: it needs a discardable land and a next land play, so Mox plus one land is often not functional. Rith's Grove enters tapped and returns a non-Lair land; judge it as a sequence, not a perfect fixer.

Example keeps

• Keep: Windswept Heath, Forest, Mox Diamond, Wild Mongrel, Terravore, Swords to Plowshares, Call of the Herd. The Mox can discard a spare land only if the fetch/Forest line preserves the colors needed; the hand has a threat, interaction, and a post-exchange flashback card.
• Keep with a board-first plan: Forest, Plains, Weathered Wayfarer, Wild Mongrel, Sylvan Library, Seal of Cleansing, Wasteland. It develops colors and an engine before land denial. Wayfarer’s condition will not be true immediately, so the hand should not rely on it as the next land drop.

Example mulligans

• Mulligan: Mox Diamond, Terravore, Armageddon, Armageddon, Wasteland, Rishadan Port, Treetop Village. Mox has no discardable land beyond the utility lands needed to make mana, there is no colored source, and the hand only functions after several draws.
• Mulligan: City of Brass, City of Brass, Earthquake, Earthquake, Swords to Plowshares, Seal of Cleansing, Zuran Orb. It can cast spells but has no engine, threat, or resource advantage, and its life costs make the defensive cards worse.

At six, favor colors, an early play, and a land plan over redundant Armageddon or a Terravore without graveyard/mana support. A known opponent can change the priority of Swords, Seal, or Furnace; an unknown hand still needs to develop.

Sequencing and decision points

Before using Mox or Wayfarer

• Identify the land Mox will discard and the land you will play next; do not make both decisions as if they are independent.
• Use Wayfarer only when its land-count condition is true and the selected land advances the next two turns.
• If you can fetch, decide whether a basic protects your future colors better than a nonbasic utility land would pressure the opponent.

Before Armageddon

1. Count all post-Armageddon mana sources, not just lands.
2. Count Terravore accurately after lands enter graveyards.
3. Identify the opponent’s best creature and whether it can win without a spell.
4. Compare this Armageddon to one more turn of Wasteland, Port, attack, or Call of the Herd.
5. Keep a recovery route: a land in hand, a Mox, a Wayfarer activation, or a sufficient board clock.

Common errors

• Treating Mox Diamond as a normal land. It needs a land discard to stay on the battlefield.
• Forgetting Wayfarer’s land-count condition. It does nothing until the opponent controls more lands.
• Calling Terravore’s size permanent. Its value depends on all graveyards’ land cards at the moment.
• Casting Armageddon while behind on board. Symmetry is only good when the remaining battlefield is asymmetric.
• Wastelanding for aesthetics. A lost land can cut you off your own next spell.
• Using Earthquake as one-sided removal. It hits your nonfliers and you too.
• Discarding too freely to Mongrel. The post-Armageddon hand matters more than a temporary +1/+1.

Matchups and sideboard roles

Sideboard roles

Fast red and small creatures

City of Brass, fetches, Mox choices, and Earthquake all cost life, so red games are about more than the sideboard. Warmth, Circle, Zuran Orb, and Pyroclasm provide different stabilizers; the plan must still leave enough threat density to close.

Testing question: separately test Sligh and Goblins on play/draw. Identify when Earthquake stays, which anti-red cards enter, and whether Armageddon is a recovery tool or too slow.

Blue tempo and control

Blue permission can make an all-in Armageddon risky, while Wasteland/Port and a threat can pressure a slow mana base. Pyroblast effects provide access, but a blind “bring in all blue hate” rule could remove the cards that make your post-Armageddon board lethal.

Testing question: write exact maps against Mono-Blue Stiflenought and Azorius Standstill. Test when Wayfarer finds a utility land versus a basic, and whether sealing an artifact/enchantment before Armageddon is necessary.

Graveyards and enchantments

Furnace and Crypt can reduce Terravore by exiling lands. Seal and Ray answer hostile enchantments, but Replenish and Enchantress demand timing choices, not a generic “bring in removal” rule.

Testing question: establish targeted, tested plans for Replenish and Enchantress, including Terravore-size tracking and the timing of Crypt/Furnace versus a graveyard payoff.

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