Walk the Aeons + Mystic Sanctuary + Crucible of Worlds + Ghirapur Orrery

Prerequisites

• You control at least four Islands.

Steps

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

Effects

• Infinite turns
• Lock