Uro, Titan of Nature's Wrath | Deadeye Navigator | Dimir Aqueduct

(and one other card)

({1} magic symbol) ({G} magic symbol) ({U} magic symbol) plus enough mana to pay for commander tax, if applicable available.

Cast
Uro by paying ({1} magic symbol) ({G} magic symbol) ({U} magic symbol) .
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
Dimir Aqueduct from your hand onto the battlefield.
When
Dimir Aqueduct enters untapped due to
Horizon Explorer, it triggers.
Holding priority, activate
Dimir Aqueduct by tapping it, adding ({U} magic symbol) ({B} magic symbol) .
Resolve the
Dimir Aqueduct trigger, returning it from the battlefield to your hand.
Activate
Uro by paying ({1} magic symbol) ({U} magic symbol) , blinking it.
Repeat from step 2.