Wildfire Eternal + Savage Beating + Helm of the Host + Ardent Elementalist

Prerequisites

• Wildfire Eternal does not have summoning sickness.
• Helm of the Host attached to Ardent Elementalist.
• An opponent cannot block Wildfire Eternal.

Steps

1. 1At the beginning of your combat phase, Helm of the Host triggers, creating a token copy of Ardent Elementalist with haste.
2. 2When the token Ardent Elementalist enters the battlefield, it triggers, returning Savage Beating to your hand from your graveyard.
3. 3Declare Wildfire Eternal as an attacker.
4. 4When Wildfire Eternal is not blocked, it triggers, casting Savage Beating from your hand without paying its mana cost.
5. 5Resolve Savage Beating, causing you to untap all creatures you control and to get an additional combat phase after this one.
6. 6Repeat each combat phase.

Effects

• Infinite combat phases
• Infinite creature ETB
• Infinite creature tokens with haste
• Infinite magecraft triggers
• Infinite mana creatures you control can produce
• Infinite storm count