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

Prerequisites

• Archelos, Lagoon Mystic on the battlefield
• High Tide in hand
• Patron of the Moon on the battlefield
• Uyo, Silent Prophet on the battlefield
• You control at least two Islands
• Archelos is untapped
• available

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

• Infinite copies of any instants and/or sorceries on the stack
• Infinite landfall triggers
• Infinite magecraft triggers
• Infinite mana lands you control can produce