Archelos, Lagoon Mystic, Uyo, Silent Prophet, Patron of the Moon, and Caged Sun

Prerequisites

• Archelos, Lagoon Mystic on the battlefield
• Uyo, Silent Prophet on the battlefield
• Patron of the Moon on the battlefield
• Caged Sun on the battlefield
• High Tide in hand
• You control at least two Islands
• "Blue" chosen with Caged Sun
• Archelos is untapped

Steps

1. Cast any instant or sorcery spell by paying its mana cost, or wait for an opponent to cast one
2. Holding priority, activate two Islands by tapping them, adding
3. Caged Sun triggers twice, adding
4. Holding priority, activate Uyo by paying and returning two Islands to your hand, copying the instant or sorcery
5. Resolve the copy of the instant or sorcery
6. Activate Patron of the Moon by paying , putting two Islands from your hand onto the battlefield untapped due to Archelos
7. Repeat from step 2
8. Once you have infinite , you may instead use any other lands you control to get infinite mana those lands produce

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