edhseer Commander synergy, explained

Precons › Foundations Commander

Reign of Dragons

Commander precon · Foundations Commander · 2026 · led by Lathliss, Dragon Queen

Main theme: Dragon tribal · Synergy 3.7/5 (connected) · Bracket 1–2 · Lathliss, Dragon Queen works with 36 of its cards

Upgrades at bracket 1–2

No Game Changers and no infinite combos: the level of an unchanged precon. Game Changers are cards on WotC's official list of cards that make a deck much stronger.

5 swaps, and after them the report reads the deck at bracket 1–2.

Its cards work together a little more: synergy 3.7 → 3.9 of 5, still connected. It is a little more consistent: Build 4.4 → 4.6 of 5, still on target; no longer short on card advantage, 4 short on interaction, was 6. That is what this page measures: how well the deck holds together, not how strong it is.

Card advantage

  1. Take out Chandra's Ignition: Chandra's Ignition is next on the report's cut list. Works with nothing else in this deck. Put in Dragon's Approach: Card advantage: you were 1 short; Dragon's Approach counts as card advantage. When a Dragon enters thanks to Dragon's Approach, Scourge of Valkas deals damage.

Interaction

  1. Take out Goddric, Cloaked Reveler: Goddric, Cloaked Reveler is next on the report's cut list. Works with 4 other cards: with 1 again and again, with 3 just once or in the background. Put in Solphim, Mayhem Dominus: Interaction: you were 6 short; Solphim, Mayhem Dominus counts as interaction.
  2. Take out Shivan Devastator: Shivan Devastator is next on the report's cut list. Works with 21 other cards: with 9 again and again, with 12 just once or in the background. Put in Magmatic Hellkite: Interaction: you were 6 short; Magmatic Hellkite counts as interaction. While you control Magmatic Hellkite, Scourge of Valkas counts it and deals more damage.

Cards that work together

  1. Take out Basilisk Collar: Basilisk Collar works with no other card in this deck; Dragonkin Berserker works with 28 cards, 25 of them on it, and with your commander. Put in Dragonkin Berserker: When a Dragon enters thanks to Dragonkin Berserker, Scourge of Valkas deals damage
  2. Take out Dragonmaster Outcast: Dragonmaster Outcast works with 9 cards in this deck, 6 of them on its theme; Bloodline Pretender works with 16 cards, 7 of them on it, and with your commander. Put in Bloodline Pretender: While you control Bloodline Pretender, Scourge of Valkas counts it and deals more damage

Upgrades at bracket 3

Up to three Game Changers, and no two-card infinite combo that costs 6 or less.

7 swaps, and after them the report reads the deck at bracket 3.

Its cards work together a little more: synergy 3.7 → 3.9 of 5, still connected. It is a little more consistent: Build 4.4 → 4.6 of 5, still on target; no longer short on card advantage, 4 short on interaction, was 6. That is what this page measures: how well the deck holds together, not how strong it is.

Ramp

  1. Take out Arcane Signet: Arcane Signet is weaker ramp than Chrome Mox. Put in Chrome Mox: Chrome Mox is ramp too, and one of the strongest cards in Commander: a Game Changer, which this bracket allows.
  2. Take out Cursed Mirror: Cursed Mirror is weaker ramp than Mox Diamond. Put in Mox Diamond: Mox Diamond is ramp too, and one of the strongest cards in Commander: a Game Changer, which this bracket allows.

Card advantage

  1. Take out Chandra's Ignition: Chandra's Ignition is next on the report's cut list. Works with nothing else in this deck. Put in Dragon's Approach: Card advantage: you were 1 short; Dragon's Approach counts as card advantage. When a Dragon enters thanks to Dragon's Approach, Scourge of Valkas deals damage.

Interaction

  1. Take out Goddric, Cloaked Reveler: Goddric, Cloaked Reveler is next on the report's cut list. Works with 4 other cards: with 1 again and again, with 3 just once or in the background. Put in Solphim, Mayhem Dominus: Interaction: you were 6 short; Solphim, Mayhem Dominus counts as interaction.
  2. Take out Shivan Devastator: Shivan Devastator is next on the report's cut list. Works with 21 other cards: with 9 again and again, with 12 just once or in the background. Put in Magmatic Hellkite: Interaction: you were 6 short; Magmatic Hellkite counts as interaction. While you control Magmatic Hellkite, Scourge of Valkas counts it and deals more damage.

Cards that work together

  1. Take out Basilisk Collar: Basilisk Collar works with no other card in this deck; Dragonkin Berserker works with 28 cards, 25 of them on it, and with your commander. Put in Dragonkin Berserker: When a Dragon enters thanks to Dragonkin Berserker, Scourge of Valkas deals damage
  2. Take out Dragonmaster Outcast: Dragonmaster Outcast works with 9 cards in this deck, 6 of them on its theme; Bloodline Pretender works with 16 cards, 7 of them on it, and with your commander. Put in Bloodline Pretender: While you control Bloodline Pretender, Scourge of Valkas counts it and deals more damage

Upgrades at bracket 4–5

No limits on Game Changers or combos.

11 swaps, and after them the report reads the deck at bracket 4–5.

Its cards work together a little more: synergy 3.7 → 3.9 of 5, still connected. It is a little more consistent: Build 4.4 → 4.7 of 5, still on target; no longer short on card advantage, 3 short on interaction, was 6. That is what this page measures: how well the deck holds together, not how strong it is.

Ramp

  1. Take out Arcane Signet: Arcane Signet is weaker ramp than Chrome Mox. Put in Chrome Mox: Chrome Mox is ramp too, and one of the strongest cards in Commander: a Game Changer, which this bracket allows.
  2. Take out Cursed Mirror: Cursed Mirror is weaker ramp than Mox Diamond. Put in Mox Diamond: Mox Diamond is ramp too, and one of the strongest cards in Commander: a Game Changer, which this bracket allows.
  3. Take out Fire Diamond: Fire Diamond is weaker ramp than Grim Monolith. Put in Grim Monolith: Grim Monolith is ramp too, and one of the strongest cards in Commander: a Game Changer, which this bracket allows.
  4. Take out Hit the Mother Lode: Hit the Mother Lode is weaker ramp than Jeska's Will. Put in Jeska's Will: Jeska's Will is ramp too, and one of the strongest cards in Commander: a Game Changer, which this bracket allows.
  5. Take out Mana Geyser: Mana Geyser is weaker ramp than Lion's Eye Diamond. Put in Lion's Eye Diamond: Lion's Eye Diamond is ramp too, and one of the strongest cards in Commander: a Game Changer, which this bracket allows.

Card advantage

  1. Take out Chandra's Ignition: Chandra's Ignition is next on the report's cut list. Works with nothing else in this deck. Put in Dragon's Approach: Card advantage: you were 1 short; Dragon's Approach counts as card advantage. When a Dragon enters thanks to Dragon's Approach, Scourge of Valkas deals damage.
  2. Take out Bitter Reunion: Bitter Reunion is weaker card draw than The One Ring. Put in The One Ring: The One Ring is card draw too, and one of the strongest cards in Commander: a Game Changer, which this bracket allows.

Interaction

  1. Take out Goddric, Cloaked Reveler: Goddric, Cloaked Reveler is next on the report's cut list. Works with 4 other cards: with 1 again and again, with 3 just once or in the background. Put in Solphim, Mayhem Dominus: Interaction: you were 6 short; Solphim, Mayhem Dominus counts as interaction.
  2. Take out Shivan Devastator: Shivan Devastator is next on the report's cut list. Works with 21 other cards: with 9 again and again, with 12 just once or in the background. Put in Magmatic Hellkite: Interaction: you were 6 short; Magmatic Hellkite counts as interaction. While you control Magmatic Hellkite, Scourge of Valkas counts it and deals more damage.

Cards that work together

  1. Take out Basilisk Collar: Basilisk Collar works with no other card in this deck; Dragonkin Berserker works with 28 cards, 25 of them on it, and with your commander. Put in Dragonkin Berserker: When a Dragon enters thanks to Dragonkin Berserker, Scourge of Valkas deals damage
  2. Take out Dragonmaster Outcast: Dragonmaster Outcast works with 9 cards in this deck, 6 of them on its theme; Bloodline Pretender works with 16 cards, 7 of them on it, and with your commander. Put in Bloodline Pretender: While you control Bloodline Pretender, Scourge of Valkas counts it and deals more damage

Opens a route: Oketra's Monument. 1 of its cards reach Warstorm Surge through it.

Also short, against a typical Commander deck: interaction 6 of 12, card advantage 13 of 14.

The decklist

Creatures

Anger · Atsushi, the Blazing Sky · Dragonhawk, Fate's Tempest · Dragonlord's Servant · Dragonmaster Outcast · Dragonspeaker Shaman · Drakuseth, Maw of Flames · Firespitter Whelp · Goddric, Cloaked Reveler · Goldlust Triad · Hellkite Charger · Leyline Tyrant · Minion of the Mighty · Nogi, Draco-Zealot · Parapet Thrasher · Rapacious Dragon · Sarkhan, Dragon Ascendant · Scourge of the Throne · Scourge of Valkas · Shivan Devastator · Skyline Despot · Taurean Mauler · Terror of Mount Velus · Thunderbreak Regent · Thundermane Dragon · Tyrant's Familiar · Utvara Hellkite

Instants and sorceries

Abrade · Blasphemous Act · Breath Weapon · Chain Reaction · Chandra's Ignition · Chaos Warp · Hit the Mother Lode · Lightning Bolt · Magmaquake · Mana Geyser · Spit Flame · Thrill of Possibility · Unexpected Windfall

Artifacts and enchantments

Arcane Signet · Basilisk Collar · Bitter Reunion · Breaching Dragonstorm · Carnelian Orb of Dragonkind · Commander's Sphere · Count on Luck · Crucible of Fire · Cursed Mirror · Dragon Tempest · Dragon's Hoard · Dragonstorm Globe · Fire Diamond · Hazoret's Monument · Herald's Horn · Orb of Dragonkind · Outpost Siege · Sol Ring · Swiftfoot Boots · The Elder Dragon War · Warstorm Surge

Lands

Bonders' Enclave · Forgotten Cave · Haven of the Spirit Dragon · 32 Mountain · Spinerock Knoll · Temple of the False God · War Room

Other Foundations Commander precons