Seasons Past, Walk the Aeons, and Increasing Ambition

Prerequisites

• Seasons Past in the library
• Walk the Aeons in hand
• Increasing Ambition 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 Cast Increasing Ambition by paying its mana cost, searching your library for Seasons Past and putting into your hand
2. Cast Seasons Past by paying , returning Increasing Ambition and Walk the Aeons from your graveyard to your hand and putting Seasons Past onto the bottom of your library
3. Repeat

Results

• Infinite turns
• Lock