Legendary Planeswalker — Teferi

Teferi, Temporal Archmage

Mana value6EDHREC#4,226

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The Commander

+1: Look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

−1: Untap up to four target permanents.

−10: You get an emblem with "You may activate loyalty abilities of planeswalkers you control on any player's turn any time you could cast an instant."

Teferi, Temporal Archmage can be your commander.

Guide

Gameplan

Grind out a mono-blue control game with card advantage, counterspells, and untap effects, protecting Teferi until you assemble the famous Chain Veil combo for infinite mana and loyalty activations. The -1 untaps lands or rocks to power explosive turns, and the ultimate emblem lets you fire off planeswalker abilities at instant speed. You typically win by going off with The Chain Veil + mana rocks, then a draw/X-spell outlet, or by locking the table out with stax.

Strengths

The Chain Veil + Teferi's -1 enables one of the most reliable infinite mana combos in mono-blue.
Deep access to blue's best card draw, counterspells, and interaction.
Teferi protects himself by untapping blockers/rocks and refilling your hand every turn.
Resilient mono-color manabase and easy to splash powerful artifacts.
Functions well in a stax/prison shell that other players struggle to break.

Weaknesses

Mono-blue lacks efficient removal for resolved threats and enchantments.
Combo lines lean heavily on The Chain Veil, which is a vulnerable artifact and a deckbuilding liability if it doesn't show up.
Teferi at 6 mana is slow and a magnet for attacks once on the battlefield.
Limited recovery from board wipes that hit creatures since you often lack a big board.
Telegraphs combo intentions, inviting artifact removal and graveyard hate.

Key Cards

The Chain Veil — Combos with Teferi's -1 and enough mana rocks to generate infinite mana and infinite loyalty activations.
Rhystic Study — Premier mono-blue card-advantage engine that fuels the grind and finds combo pieces.
Cyclonic Rift — The best blue reset button, swinging tempo and protecting your engine on overload.
Mystic Remora — Cheap, explosive early card draw that keeps you ahead on cards.
Mana Vault — Fast artifact mana that, untapped by Teferi under The Chain Veil, helps go infinite.
Power Artifact — Reduces artifact activation costs, enabling infinite mana with rocks like Basalt Monolith.

Upgrade Path

Add fast mana and rocks (Mana Crypt, Sol Ring, Grim Monolith, Basalt Monolith) plus reducers like Power Artifact to make the Chain Veil combo more consistent and explosive. Tighten the counterspell suite (Force of Will, Force of Negation, Mana Drain, Pact of Negation) and add tutors (Mystical Tutor, Fabricate, Whir of Invention) to find The Chain Veil. Round out with a clean win outlet such as Blue Sun's Zenith or Aetherflux Reservoir and protection like Lightning Greaves.

Core Cards

From 1 Mythicwyrm deck.

Win Conditions

▸Infinite mana via The Chain Veil to draw your deck and win with an X-spell or outlet like Blue Sun's Zenith.
▸Reach Teferi's -10 emblem to activate planeswalker ultimates at instant speed and lock the game.
▸Stax lock the table, then win slowly with commander damage or a single value finisher.
▸Infinite Teferi activations to dig through the whole library and deploy a lethal payoff.

Archetypes

Combo — Teferi's -1 plus The Chain Veil and mana rocks produces infinite mana to win on the spot.
Control — Mono-blue counterspells, card draw, and bounce let you steer the game while protecting Teferi.
Stax — Untap abilities pair with prison pieces and Winter Orb-style locks to keep yourself ahead while others stall.