There are a lot of powerful artifacts in Legacy, and for many years we never really saw them take the limelight. In recent months, we've started to see Chalice of the Void and Ensnaring Bridge affecting Legacy in a huge way, but largely in Ancient Tomb decks that are trying to max out on powerful two- and three- mana haymakers that can lock opponents out of the game. What if someone wanted to play Ensnaring Bridge and Blue cards instead of Blood Moon? Fortunately, saidthefox has you covered:

U/B Tezzeret | Legacy | saidthefox, 5-0 Competitive Legacy Constructed League

• Creatures (4)
• 4 Baleful Strix

• Planeswalkers (10)
• 1 Tezzeret the Seeker
• 2 Karn, Scion of Urza
• 3 Jace, the Mind Sculptor
• 4 Tezzeret, Agent of Bolas

• Instants (6)
• 2 Thirst for Knowledge
• 4 Force of Will

• Sorceries (4)
• 2 Toxic Deluge
• 2 Transmute Artifact

• Artifacts (14)
• 1 Ensnaring Bridge
• 1 Sword of the Meek
• 2 Dimir Signet
• 2 Mox Diamond
• 2 Talisman of Dominance
• 2 Thopter Foundry
• 4 Chalice of the Void

• Lands (22)
• 1 Swamp
• 2 Island
• 1 Academy Ruins
• 1 Creeping Tar Pit
• 1 Seat of the Synod
• 1 Underground River
• 1 Underground Sea
• 1 Urborg, Tomb of Yawgmoth
• 2 Darkwater Catacombs
• 3 Polluted Delta
• 4 Ancient Tomb
• 4 City of Traitors

• Sideboard (15)
• 1 Damnation
• 1 Helm of Obedience
• 4 Leyline of the Void
• 2 Padeem, Consul of Innovation
• 1 Phyrexian Revoker
• 1 Pithing Needle
• 2 Thought-Knot Seer
• 1 Trinket Mage
• 2 Walking Ballista

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Your goal is still the same, you have a ton of two-mana lands and mana rocks to help you jam expensive, high-impact cards as early as possible. The difference is that this deck now has more consistent access to four-mana haymakers thanks to Karn, Scion of Urza. Karn also gives this deck an ability to play to the board that it never had before, which is a really exciting addition.

The core of the deck is in the powerful singleton artifacts that you're playing. Various Tezzerets team up with Thirst for Knowledge and Transmute Artifact to help ensure that you can find the right artifacts for the right situation. In the maindeck, you're mostly looking for either Ensnaring Bridge or the Thopter Foundry plus Sword of the Meek combination. That said, you're certainly not limited to those combinations, particularly once sideboards are involved. It's not hard to imagine cards like Pithing Needle, Sorcerous Spyglass, or Witchbane Orb being incredibly powerful disruptive effects.

If you're looking for a deck that has the potential to aggressively cast high-impact Planeswalkers until one sticks, this seems like one of the better shells for it in Legacy. If you expect lots of decks with limited counterspells and other ways to interact with Planeswalkers at your next Legacy event, then this seems like a great strategy.