Walk the Aeons, Azusa, Lost but Seeking, and Ancient Greenwarden

Prerequisites

• Walk the Aeons in hand
• Azusa, Lost but Seeking on the battlefield
• Ancient Greenwarden on the battlefield
• You have at least three Islands between your hand, battlefield, and graveyard
• each turn available

Steps

1. Play Islands from your graveyard until you control at least three Islands
2. Cast Walk the Aeons for its buyback cost by paying and sacrificing three Islands, taking an extra turn after this one
3. Pass the turn
4. Repeat

Results

• Infinite turns