Phantom Steed, Walk the Aeons, and Greenwarden of Murasa

Prerequisites

• Phantom Steed on the battlefield
• Walk the Aeons in hand
• Greenwarden of Murasa in exile
• An opponent can not block Phantom Steed
• available

Steps

1. Cast Walk the Aeons, taking an extra turn after this one
2. Attack with Phantom Steed
3. Phantom Steed triggers, creating a token copy of Greenwarden of Murasa that is tapped and attacking
4. Greenwarden of Murasa enters, returning Walk the Aeons from your graveyard to your hand
5. Pass the turn
6. Repeat

Results

• Infinite turns