Mizzix of the Izmagnus + Mystic Retrieval + Runic Repetition + Turnabout

Mizzix of the Izmagnus

Mystic Retrieval

Runic Repetition

Turnabout

How it works

1. Activate all mana-producing lands you control by tapping them, adding at least .
2. Cast Turnabout by paying .
3. If you have fewer than three experience counters, Mizzix of the Izmagnus triggers, causing you to get an experience counter.
4. Resolve Turnabout, untapping all lands you control.
5. Cast Mystic Retrieval by paying , returning Turnabout from your graveyard to your hand.
6. Cast Mystic Retrieval from your graveyard for its flashback cost by paying , returning Runic Repetition from your graveyard to your hand and exiling Mystic Retrieval.
7. Cast Runic Repetition by paying , returning Mystic Retrieval from exile to your hand.
8. Repeat.
9. If lands you control can tap to produce at least 1, this combo nets infinite mana.

With Mizzix of the Izmagnus anchoring your board and steadily accumulating experience counters to discount your spells, you can set up a brilliant recursion loop built on spell recovery. You begin by casting Turnabout to untap your lands and fund your maneuvers, while Mizzix of the Izmagnus ensures your mana requirements shrink with each iteration. Next, you cast Mystic Retrieval from your hand to pull Turnabout back, then cast Mystic Retrieval a second time using its flashback cost to retrieve Runic Repetition from the graveyard and exile itself. Finally, you cast Runic Repetition to rescue Mystic Retrieval from exile so the cycle can begin anew. As your experience counters grow, the net mana cost drops until tapping your lands yields a surplus, generating infinite mana, storm count, and magecraft triggers.