4 cards where the name includes “signet” and the text includes “{u}”

Azorius Signet (Ravnica: Clue Edition #219)

Azorius Signet {2}

Artifact

{1}, {T}: Add {W}{U}.

The maze-like design embodies the core of Azorius law—strict structure designed to test wills and stall change.

Watermark: Azorius

Illustrated by Raoul Vitale

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny
Dimir Signet (Ravnica: Clue Edition #221)

Dimir Signet {2}

Artifact

{1}, {T}: Add {U}{B}.

An emblem of a secret guild, the Dimir insignia is seen only by its own members—and the doomed.

Watermark: Dimir

Illustrated by Raoul Vitale

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny
Izzet Signet (Outlaws of Thunder Junction Commander #259)

Izzet Signet {2}

Artifact

{1}, {T}: Add {U}{R}.

The Izzet signet is redesigned often, each time becoming closer to a vanity portrait of Niv-Mizzet.

Illustrated by Raoul Vitale

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny
Simic Signet (Ravnica: Clue Edition #228)

Simic Signet {2}

Artifact

{1}, {T}: Add {G}{U}.

For the Simic Combine, its sigil serves not as an emblem of honor but as a trademark. Its familiar image on any biological commodity attests to superb craftsmanship, ingenious innovation, and higher cost.

Watermark: Simic

Illustrated by Mike Sass

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny

It is the moment of discovery, the triumph of the mind, and the end of these results.