Relentless Assault, Helm of the Host, Nature's Will, and Warden of the Eye

Prerequisites

• Relentless Assault in hand
• Helm of the Host on the battlefield
• Nature's Will on the battlefield
• Warden of the Eye on the battlefield

Steps

1. Activate any number of lands by tapping them, adding at least
2. Cast Relentless Assault by paying , causing you to untap all creatures that attacked this turn and causing you to get an additional combat and main phase after this one
3. At the beginning of your combat phase, Helm of the Host triggers, creating a token copy of Warden of the Eye with haste
4. When the Warden of the Eye token enters, it triggers, returning Relentless Assault from your graveyard to your hand
5. Deal combat damage to an opponent
6. Nature's Will triggers, untapping all lands you control
7. Move to your next main phase and repeat from step 1

Results

• Infinite ETB
• Infinite storm count
• Infinite combat phases
• Infinite mana lands you control can produce
• Infinite creature tokens with haste
• Infinite magecraft triggers
• Infinite untap of lands you control
• Infinite combat damage