Archelos, Lagoon Mystic + Uyo, Silent Prophet + Patron of the Moon + High Tide

Archelos, Lagoon Mystic

Uyo, Silent Prophet

Patron of the Moon

High Tide

How it works

1. Activate two Islands by tapping them, adding .
2. Cast High Tide by paying .
3. Holding priority, activate Uyo by paying 2 and returning two Islands to your hand, copying High Tide.
4. Resolve the copy of High Tide.
5. Activate Patron of the Moon by paying 1, putting two Islands from your hand onto the battlefield untapped due to Archelos.
6. Activate the Islands by tapping them, adding .
7. Each High Tide that has resolved this turn triggers, adding for each trigger.
8. Repeat from step 3.
9. Once you have infinite , you may instead use any other lands you control to get infinite mana those lands produce.
10. You may also target any other instant/sorcery on the stack using Uyo to create infinite copies of them.