Oltec Matterweaver, Whitemane Lion, and Mondrak, Glory Dominus

Prerequisites

• Oltec Matterweaver on the battlefield
• Whitemane Lion in hand
• Mondrak, Glory Dominus on the battlefield
• available

Steps

1. Cast Whitemane Lion by paying
2. Oltec Matterweaver triggers, creating two token copies of any Treasure or Gold token you control
3. When Whitemane Lion enters the battlefield, it triggers, returning itself from the battlefield to your hand
4. Activate two Treasures by tapping and sacrificing them, or two Golds by sacrificing them, adding
5. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite storm count