Walk the Aeons, Mystic Sanctuary, Crucible of Worlds, and Ghirapur Orrery

Prerequisites

• Walk the Aeons in hand
• Mystic Sanctuary on the battlefield
• Crucible of Worlds on the battlefield
• Ghirapur Orrery on the battlefield
• You control at least four Islands
• each turn available

Steps

1. Cast Walk the Aeons by paying , sacrificing Mystic Sanctuary and two other Islands, causing you to take an extra turn after this one and returning Walk the Aeons to your hand
2. Play any Island except Mystic Sanctuary from your graveyard
3. Move to your next turn
4. Cast Walk the Aeons by paying , causing you to take an extra turn after this one
5. Play any Island except Mystic Sanctuary from your graveyard, then play Mystic Sanctuary from your graveyard
6. When Mystic Sanctuary enters the battlefield, it triggers, putting Walk the Aeons on top of your library from your graveyard
7. Move to your next turn, drawing Walk the Aeons during your draw step
8. Repeat

Results

• Infinite turns