Oltec Matterweaver, Whitemane Lion, and Kaya, Geist Hunter

Prerequisites

• Oltec Matterweaver on the battlefield
• Whitemane Lion in hand
• Kaya, Geist Hunter on the battlefield
• You control at least one Treasure or Gold token
• Kaya has at least two loyalty counters on it
• available

Steps

1. Activate Kaya's second loyalty ability by removing two loyalty counters from it, causing you to double all tokens you create this turn
2. Cast Whitemane Lion by paying
3. Oltec Matterweaver triggers, creating two token copies of any Treasure or Gold token you control
4. When Whitemane Lion enters the battlefield, it triggers, returning itself from the battlefield to your hand
5. Activate two Treasures by tapping and sacrificing them, or two Golds by sacrificing them, adding
6. Repeat from step 2

Results

• Infinite ETB
• Infinite LTB
• Infinite storm count