Echocasting Symposium, Salvager of Secrets, and Walk the Aeons

Prerequisites

• Echocasting Symposium in exile
• Salvager of Secrets on the battlefield
• Walk the Aeons in hand
• each turn available

Steps

1. Cast Walk the Aeons by paying its mana cost, causing you to take an extra turn after this one
2. Move to your next turn
3. At the beginning of your precombat main phase, Echocasting Symposium's paradigm ability triggers, causing you to cast a copy of it from exile
4. Resolve the copy, creating a token copy of Salvager of Secrets When the Salvager of Secrets token enters, it triggers, returning Walk the Aeons from your graveyard to your hand
5. Repeat

Results

• Infinite turns
• Lock