Hashaton, Scarab's Fist, Mind Over Matter, Sceptre of Eternal Glory, and Coati Scavenger

Prerequisites

• Hashaton, Scarab's Fist on the battlefield
• Mind Over Matter on the battlefield
• Sceptre of Eternal Glory on the battlefield
• Coati Scavenger in hand

Steps

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

Results

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