Urza, Lord High Artificer

Pré-requis : Once you have infinite mana, you may use it to activate Urza's ability.

Pré-requis : Once you have infinite mana, you may use it to activate Urza's ability.
You can also tap the Construct for due to Urza's ability, netting mana and allowing you to not sacrifice the Constructs eventually.

Pré-requis : Once you have infinite mana, you may use it to activate Urza's ability.

Pré-requis : Once you have infinite mana, you may use it to activate Urza's ability.

Pré-requis : Once you have infinite mana, you may use it to activate Urza's ability.

Pré-requis : Once you have infinite mana, you may use it to activate Urza's ability.

Pré-requis : Once you have infinite mana, you may forego sacrificing the Constructs. You may also use the mana to activate Urza's ability and/or blink any other creature(s).

Pré-requis : Once you have infinite mana, you may use it to activate Urza's ability.
Once you have infinite mana, you may use it to activate Urza's ability.

Pré-requis : If you control an artifact creature, you can untap that creature with the additional Sewer-veillance Cam trigger. It can then be tapped by Urza for blue mana, which can then be used for Urza's other ability.
Once you have infinite mana, you may use it to activate Urza's ability.

Pré-requis : Once you have infinite mana, you may use it to activate Urza's ability.

Pré-requis : Once you have infinite mana, you may use it to activate Urza's ability.

Pré-requis : Once you have infinite mana, you may activate Urza's ability to cast your library.
Once you have infinite mana, you may use it to activate Urza's ability.