Hashaton, Scarab's Fist, Mind Over Matter, Astral Cornucopia, and Possessed Skaab

Prerequisites

• Hashaton, Scarab's Fist on the battlefield
• Mind Over Matter on the battlefield
• Astral Cornucopia on the battlefield
• Possessed Skaab in hand

Steps

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

Results

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