Urza, Lord High Artificer Combos
Urza, Lord High Artificer + Deadeye Navigator + Peregrine Drake
Urza, Lord High Artificer + Thopter Foundry + Sword of the Meek
Urza, Lord High Artificer + Scaretiller + Vesuva
Urza, Lord High Artificer + Pili-Pala + Leyline of Abundance
Urza, Lord High Artificer + Pili-Pala + Grand Architect
Urza, Lord High Artificer + Metalworker + Umbral Mantle
Combo result
Infinite colorless mana. Infinite blue mana. Cast any cards from your library with blue or colorless casting costs.
Prerequisites
All permanents on the battlefield. Metalworker is not summoning sick. Umbral Mantle equipped to Metalworker. You have at least 2 additional artifacts in hand.
Urza, Lord High Artificer + Metalworker + Sword of the Paruns
Urza, Lord High Artificer + Magda, Brazen Outlaw + Mycosynth Lattice
Urza, Lord High Artificer + Magda, Brazen Outlaw + Encroaching Mycosynth
Urza, Lord High Artificer + Isochron Scepter + Dramatic Reversal
Urza, Lord High Artificer + Intruder Alarm + Deadeye Navigator
Urza, Lord High Artificer + High Tide + Palinchron
Urza, Lord High Artificer + Extraplanar Lens + Palinchron
Ashnod's Altar + Nim Deathmantle + Urza, Lord High Artificer
Urza, Lord High Artificer + Deadeye Navigator + Palinchron
Urza, Lord High Artificer + Deadeye Navigator + Great Whale
Urza, Lord High Artificer + Caged Sun + Palinchron
Urza, Lord High Artificer + Basalt Monolith + Rings of Brighthearth
Unctus, Grand Metatect + Urza, Lord High Artificer + Mind over Matter
The Locust God + Unctus, Grand Metatect + Urza, Lord High Artificer
Saheeli Rai + Liquimetal Coating + Urza, Lord High Artificer
Lonis, Cryptozoologist + Urza, Lord High Artificer + Deadeye Navigator
Combo result
Infinite Food tokens. Infinite Clue tokens. Infinite Treasure tokens. Infinite colored mana. Infinite ETB. Infinite LTB. Infinite lifegain. Infinite lifegain triggers. Infinite card draw. Infinite draw triggers. Infinite blinking. Cast all cards in your library without paying their mana costs.
Prerequisites
All permanents on the battlefield. Deadeye Navigator is paired with another creature. {U} available.