Astral Cornucopia + Grave Sifter + Hashaton, Scarab's Fist + Mind Over Matter

GWUB identity

Commander legal

The 4 combo pieces

• Astral Cornucopia
• Grave Sifter
• Hashaton, Scarab's Fist
• Mind Over Matter

How to execute it

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

What the combo produces

• Each opponent returns all creature cards from their graveyard to their hand
• Infinite colored mana
• Infinite ETB
• Infinite self-discard triggers
• Infinite tapped creature tokens