Phantom Steed, Time Stretch, and Greenwarden of Murasa

Prerequisites

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

Steps

1. Cast Time Stretch, taking an extra two turns 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 Time Stretch from your graveyard to your hand
5. Pass the turn
6. Repeat

Results

• Infinite turns