Aberrant Mind Sorcerer, Helm of the Host, and Time Stretch

Prerequisites

• Aberrant Mind Sorcerer on the battlefield
• Helm of the Host on the battlefield
• Time Stretch on the battlefield
• Helm of the Host attached to Aberrant Mind Sorcerer
• each other turn available

Steps

1. Cast Time Stretch by paying , causing you to take two extra turns after this one
2. At the beginning of your combat phase, Helm of the Host triggers, creating a token copy of Aberrant Mind Sorcerer with haste
3. When the Aberrant Mind Sorcerer token enters the battlefield, it triggers, causing you to roll a d20 and either return Time Stretch from your graveyard to your hand, or put Time Stretch from your graveyard on top of your library
4. Move to your first extra turn, drawing Time Stretch if it was put on top of your library
5. Move to your second extra turn
6. Repeat

Results

• Infinite turns