Patron of the Moon + Uyo, Silent Prophet + Seething Song

Patron of the Moon

Uyo, Silent Prophet

Seething Song

How it works

1. Cast Seething Song by paying 2.
2. Holding priority, activate Uyo by paying 2 and returning two lands to your hand from the battlefield, copying Seething Song.
3. Resolve the copy of Seething Song, adding .
4. Activate Patron of the Moon by paying 1, putting two lands onto the battlefield tapped from your hand.
5. Repeat from step 2.
6. Once you have infinite mana, you may target any other instant and/or sorcery spell on the stack to get infinite copies of them.

This ingenious loop harnesses the explosive red mana from Seething Song to fund Uyo, Silent Prophet, whose ability copies spells while bouncing two lands back to your hand as a cost. Those same returned lands are immediately dumped back onto the battlefield by Patron of the Moon's economical activated ability for just one generic mana. Because Seething Song yields more red mana than the combined activation costs required by Uyo and the Patron, you generate an infinite surplus of red mana while creating boundless copies of any instant or sorcery waiting on the stack.