Ephemerate, Scholar of the Ages, and Temporal Manipulation

Prerequisites

• Ephemerate in hand
• Scholar of the Ages 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 Scholar of the Ages and exiling Ephemerate
3. When Scholar of the Ages 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 Scholar of the Ages
7. When Scholar of the Ages enters, it triggers, returning Ephemerate from your graveyard to your hand
8. Repeat

Results

• Infinite turns
• Lock