Legendary Creature — Dragon God

Tiamat

Mana value7EDHREC#2,921

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The Commander

Flying

When Tiamat enters, if you cast it, search your library for up to five Dragon cards not named Tiamat that each have different names, reveal them, put them into your hand, then shuffle.

Guide

Gameplan

Ramp into a turn 5-7 Tiamat, immediately tutoring five Dragons straight to hand to refuel for the rest of the game. From there you flood the board with powerful Dragons and either grind out value or assemble a Dragon-based combo/finisher. Tiamat is essentially a five-card tutor stapled to a 7/7 flier, so your deck wants to maximize the value of those grabs.

Strengths

Five-card Dragon tutor on cast is one of the best ETBs in the format, refilling your hand instantly
Five-color identity means access to every removal, ramp, and combo piece in the game
Can tutor up situational answers or combo finishers depending on board state
Dragons are individually powerful, so even a fair gameplan threatens lethal evasive damage quickly

Weaknesses

Heavily reliant on a 7-mana commander; without Tiamat the deck can sputter
Five-color mana base is expensive and prone to color-screw without strong fixing
The tutor only triggers when cast, so reanimation or blink doesn't refill your hand
Vulnerable to counterspells and commander tax that blunt your one big payoff
Slow to set up compared to dedicated combo decks

Key Cards

Dragon's Hoard — Mana rock that fixes all colors and draws cards off your Dragon spells.
Dragonlord Atarka — A high-value Dragon to tutor that immediately removes problem creatures or planeswalkers.
Dragon Tempest — Turns every Dragon you drop into a Lightning Bolt and grants haste, enabling explosive swings or burn finishes.
Scion of the Ur-Dragon — Can fetch any Dragon into play and acts as a backup engine for your tutored package.
Cultivate — Color-fixing ramp is essential to consistently cast a five-color 7-drop on time.
Sol Ring — Fast mana accelerates you toward Tiamat ahead of schedule.

Upgrade Path

Add premium five-color fixing (fetch lands, duals, Chromatic Lantern, Prismatic Omen) and fast mana to cast Tiamat reliably ahead of curve. Build toward a deterministic finish by tutoring a tight package—Terror of the Peaks plus token Dragons, or a Worldgorger Dragon/Animate Dead loop—so the five cards translate directly into a win. Finally, include cheap protection (Heroic Intervention, counterspell backup) so your one big commander turn doesn't get blown out.

Core Cards

The most-played cards for this commander, built from aggregated deck data (the Mythic Graph). Build public decks to seed it.

Win Conditions

▸Beatdown with an evasive army of flying Dragons
▸Dragon Tempest or Terror of the Peaks burn triggers off mass Dragon entries
▸Assembling a tutored combo (e.g., Dragon engine plus untap/token enablers) for lethal damage
▸Dragonlord-style value loops grinding opponents out of resources

Archetypes

Dragon Tribal — Tiamat tutors a custom five-Dragon hand every time, making it the ultimate tribal payoff.
Midrange Value — The card-advantage burst lets you grind incremental Dragon value across long games.
Combo — You can tutor specific Dragons like Terror of the Peaks plus token makers or Worldgorger-style loops to close out.
Reanimator — Cheating expensive Dragons into play sidesteps Tiamat's high cost while still building a fearsome board.