Requires

Uro, Titan of Nature's Wrath must be in hand. Deadeye Navigator must be on the battlefield. Azorius Chancery must be in hand. Archelos, Lagoon Mystic must be on the battlefield (is untapped). Mana needed:

Steps

1. Cast Uro by paying .
2. When Uro enters the battlefield, its first and second abilities trigger, as well as Deadeye Navigator's soulbond ability.
3. Resolve the Deadeye Navigator trigger, pairing it and Uro.
4. Resolve the second Uro trigger, causing you to draw a card, gain 3 life, and put Azorius Chancery from your hand onto the battlefield.
5. When Azorius Chancery enters the battlefield untapped due to Archelos, it triggers.
6. Holding priority, activate Azorius Chancery by tapping it, adding .
7. Resolve the Azorius Chancery trigger, returning it to your hand from the battlefield.
8. Activate Uro by paying , blinking it.
9. Repeat from step 2.

Results