Approach of the Second Sun + Endless Detour + Tidal Barracuda

Approach of the Second Sun

Endless Detour

Tidal Barracuda

How it works

1. During the opponent's end step immediately before your turn, cast Approach of the Second Sun by paying 6 using Tidal Barracuda.
2. In response, cast Endless Detour by paying its mana cost, putting Approach of the Sun on top of your library.
3. In your draw step, draw Approach of the Second Sun.
4. Cast Approach of the Second Sun by paying 6, winning the game.