Ephemerate, Warden of the Eye, and Temporal Manipulation

Prerequisites

• Ephemerate in hand
• Warden of the Eye on the battlefield
• Temporal Manipulation in hand
• each turn available

Steps

1. Cast Temporal Manipulation by paying its mana cost, causing you to take an extra turn after this one
2. Cast Ephemerate by paying , blinking Warden of the Eye and exiling Ephemerate
3. When Warden of the Eye enters, it triggers, returning Temporal Manipulation from your graveyard to your hand
4. Move to your next turn
5. At the beginning of your upkeep, Ephemerate's rebound ability triggers, causing you to cast it from exile without paying its mana cost
6. Resolve Ephemerate, blinking Warden of the Eye
7. When Warden of the Eye enters, it triggers, returning Ephemerate from your graveyard to your hand
8. Repeat

Results

• Infinite turns
• Lock