Cast Approach of the Second Sun by paying {6}{W}.
Holding priority, cast Reprieve by paying {1}{W}, returning Approach of the Second Sun to your hand and causing you to draw a card.
Cast Approach of the Second Sun by paying {6}{W}, causing you to win the game.

Win the game

Approach of the Second Sun

Reprieve

Cast any card by paying its mana cost, or wait for an opponent to cast one.
Holding priority, cast Reprieve by paying {1}{W}, targeting that spell.
Swarm Intelligence and Storm-Kiln Artist trigger.
Resolve the Storm-Kiln Artist trigger, creating a Treasure token.
Resolve the Swarm Intelligence trigger, copying Reprieve, with the copy targeting the original Reprieve.
Storm-Kiln Artist triggers, creating a Treasure token.
Resolve the copy of Reprieve, returning the original Reprieve to your hand and causing you to draw a card.
Holding priority, activate the Treasures by tapping and sacrificing them, adding {1}{W}.
Repeat from step 2.

Infinite card draw

Infinite draw triggers

Near-infinite magecraft triggers

Near-infinite storm count

Swarm Intelligence

Storm-Kiln Artist

Cast Karn's Temporal Sundering by paying {4}{U}{U}.
The Sixth Doctor triggers, copying Karn's Temporal Sundering.
Resolve the copy of Karn's Temporal Sundering, causing you to take an extra turn after this one.
Holding priority, activate Isochron Scepter by paying {2} and tapping it, casting a copy of Reprieve without paying its mana cost.
Resolve Reprieve, returning the original Karn's Temporal Sundering to your hand and causing you to draw a card.
Repeat each turn.

Combos with "Reprieve"