Mystic Sanctuary, Oboro Breezecaller, and Walk the Aeons

Prerequisites

• Mystic Sanctuary in hand
• Oboro Breezecaller on the battlefield
• Walk the Aeons in hand
• available

Steps

1. Cast Walk the Aeons by paying , getting an extra turn after this one
2. Play Mystic Sanctuary to put Walk the Aeons on top of your library
3. Activate Oboro Breezecaller by paying and returning Mystic Sanctuary to your hand, untapping any land
4. Move to your next turn
5. Repeat

Results

• Infinite turns