Eternal Witness, Followed Footsteps, and Walk the Aeons

Prerequisites

• Eternal Witness on the battlefield
• Followed Footsteps on the battlefield
• Walk the Aeons in hand
• Followed Footsteps attached to Eternal Witness
• available

Steps

1. Cast Walk the Aeons by paying , taking an extra turn after this one
2. Move to your next turn
3. At the beginning of your upkeep, Followed Footsteps triggers, creating a copy of Eternal Witness
4. Eternal Witness enters the battlefield, returning Walk the Aeons from your graveyard to your hand
5. Repeat

Results

• Infinite creature tokens
• Infinite turns