Wildfire Eternal, Savage Beating, Mirage Phalanx, and Archaeomancer

Prerequisites

• Wildfire Eternal on the battlefield
• Savage Beating in the graveyard
• Mirage Phalanx on the battlefield
• Archaeomancer on the battlefield

Steps

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

Results

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