Requires

Archelos, Lagoon Mystic must be on the battlefield. Uyo, Silent Prophet must be on the battlefield. Patron of the Moon must be on the battlefield. High Tide must be in hand. Mana needed:

Steps

1. Activate two Islands by tapping them, adding .
2. Cast High Tide by paying .
3. Holding priority, activate Uyo by paying 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 , 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.

Results