Hashaton, Scarab's Fist, Mind Over Matter, Coveted Jewel, and Timeless Witness

Prerequisites

• Hashaton, Scarab's Fist on the battlefield
• Mind Over Matter on the battlefield
• Coveted Jewel on the battlefield
• Timeless Witness in hand

Steps

1. Activate Coveted Jewel by tapping it, adding
2. Activate Mind Over Matter by discarding Timeless Witness
3. Hashaton triggers, causing you to pay to create a tapped token copy of Timeless Witness that is a 4/4 Zombie
4. When the Timeless Witness token enters the battlefield, it triggers, returning Timeless Witness from your graveyard to your hand
5. Resolve the Mind Over Matter ability, untapping Coveted Jewel
6. Repeat

Results

• Infinite ETB
• Infinite self-discard triggers
• Infinite tapped creature tokens