Deadeye Navigator and Amulet of Vigor on the battlefield.
({1} magic symbol) ({G} magic symbol) ({U} magic symbol) plus enough mana for commander tax, if applicable available.
Steps
Cast Uro either from your hand or from the command zone by paying ({1} magic symbol) ({G} magic symbol) ({U} magic symbol) plus commander tax, if applicable.
When Uro enters the battlefield, its first and second abilities trigger, as well as Deadeye Navigator's soulbond ability.
Resolve the Deadeye Navigator trigger, pairing it and Uro.
Resolve the second Uro trigger, causing you to draw a card, gain 3 life, and put Simic Growth Chamber from your hand onto the battlefield.
When Simic Growth Chamber enters the battlefield, it and Amulet of Vigor trigger.
Resolve the Amulet of Vigor trigger, untapping Simic Growth Chamber.