Archelos, Lagoon Mystic | Uyo, Silent Prophet | Patron of the Moon

(and one other card)

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