Zethi, Arcane Blademaster, Walk the Aeons, and Faith's Reward

Prerequisites

• Zethi, Arcane Blademaster on the battlefield
• Walk the Aeons in hand
• Faith's Reward in exile
• undefined each turn available

Steps

1. Cast Walk the Aeons with buyback by paying and sacrificing three Islands, causing you to take an extra turn after this one and return Walk the Aeons to your hand
2. Declare Zethi as an attacker
3. Zethi's second ability triggers, causing you to pay to cast a copy of Faith's Reward
4. Resolve the copy of Faith's Reward, returning all permanent cards that were put into your graveyard this turn to the battlefield
5. Repeat each turn

Results

• Infinite turns