Legendary Creature — Serpent

The Unagi of Kyoshi Island

Mana value5EDHREC#3,797

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The Commander

Ward—Waterbend {4} . (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {4} . They can tap their artifacts and creatures to help. Each one pays for {1} .)

Whenever an opponent draws their second card each turn, you draw two cards.

Guide

Gameplan

Cast The Unagi at instant speed with mana up, then sit behind counterspells while opponents do the work of drawing you cards. Every time an opponent draws their second card in a turn, you draw two—so you fuel symmetrical or forced-draw effects, then convert your massive hand into countermagic, card-advantage engines, and ultimately a blue wincon.

Strengths

Generates enormous, repeatable card advantage off a single trigger that any extra-draw effect (yours or theirs) can exploit.
Ward—Waterbend makes the commander very hard to remove or tuck, protecting your engine.
Flash lets you deploy on an opponent's end step or in response to removal, dodging sorcery-speed sweepers.
Mono-blue gives access to the best counterspells, card filtering, and tutors to assemble a finish.

Weaknesses

Mono-color means no access to efficient creature removal, ramp diversity, or recursion outside blue.
The draw trigger only fires on an opponent's SECOND draw each turn, so against draw-light tables it can sit idle.
Board wipes that hit nontargeted (Toxic Deluge, edicts, sacrifice) ignore Ward entirely.
Relatively slow clock—needs a dedicated wincon since the card draw alone doesn't end games.

Key Cards

Howling Mine — Symmetrical forced draw guarantees opponents hit their second draw, turning every upkeep into four cards for you.
Dictate of Kruphix — Flash-in extra draw for all players reliably triggers The Unagi every opponent's turn.
Kindred Discovery — Naming Serpent or stacking with opponent draws snowballs your hand uncontrollably.
Rhystic Study — Stacks card advantage on top of the commander while taxing opponents.
Thassa's Oracle — Converts your bloated hand and empty library into a clean mono-blue win.
Laboratory Maniac — Backup self-mill/draw-out wincon that pairs with your overdraw plan.

Upgrade Path

Lean into forced symmetrical draw (Howling Mine, Temple Bell, Kami of the Crescent Moon, Dictate of Kruphix) so the trigger fires every turn cycle, then add fast mana (Sol Ring, Mana Crypt, mana rocks) to deploy and protect early. Tighten the wincon into a compact combo—Thassa's Oracle plus a draw-out enabler—and pack premium interaction (Force of Will, Fierce Guardianship, Cyclonic Rift, Mana Drain) to defend it. Cut clunky high-cost draw for cheaper cantrips and tutors like Mystical Tutor and Long-Term Plans to find your finish faster.

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

▸Deck yourself out and win with Thassa's Oracle or Laboratory Maniac.
▸Assemble an infinite/near-infinite draw loop and finish with a mill or burn payoff.
▸Grind to a dominant card-advantage state and close with a big blue finisher like Stroke of Genius or a flier beatdown.
▸Lock the table with counters and an evasive threat while drawing twice their cards each turn.

Archetypes

Draw-Matters Control — The commander rewards every opponent draw, so you play draw-go and out-card-advantage the table.
Group Hug (weaponized) — Wheels and shared-draw effects force opponents into second draws, fueling your triggers far more than theirs.
Spellslinger/Combo — Massive card flow finds and protects combo pieces like Thassa's Oracle or infinite-draw engines.
Stax-lite Tempo — Counters and Ward let you tax the board while drawing into answers for everything.