Hashaton, Scarab's Fist, Mind Over Matter, Sceptre of Eternal Glory, and Cadaver Imp

Prerequisites

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

Steps

1. Activate Sceptre of Eternal Glory by tapping it, adding
2. Activate Mind Over Matter by discarding Cadaver Imp
3. Hashaton triggers, causing you to pay to create a tapped token copy of Cadaver Imp that is a 4/4 Zombie
4. When the Cadaver Imp token enters the battlefield, it triggers, returning Cadaver Imp 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