Hashaton, Scarab's Fist, Mind Over Matter, Timeless Lotus, and Elvish Regrower

Prerequisites

• Hashaton, Scarab's Fist on the battlefield
• Mind Over Matter on the battlefield
• Timeless Lotus on the battlefield
• Elvish Regrower in hand

Steps

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

Results

• Infinite red mana
• Infinite green mana
• Infinite black mana
• Infinite white mana
• Infinite ETB
• Infinite self-discard triggers
• Infinite tapped creature tokens