Najeela, the Blade-Blossom, Dockside Extortionist, and Helm of the Host

Prerequisites

• Najeela, the Blade-Blossom on the battlefield
• Dockside Extortionist on the battlefield
• Helm of the Host on the battlefield
• Helm of the Host attached to Dockside Extortionist
• Opponents control at least five artifacts and/or enchantments

Steps

1. At the beginning of your combat phase, Helm of the Host triggers, creating a token copy of Dockside Extortionist with haste
2. When the token Dockside Extortionist enters the battlefield, it triggers, creating at least five Treasure artifact tokens
3. Activate five Treasures by tapping and sacrificing them, adding
4. Activate Najeela by paying , untapping all attacking creatures, giving them trample, lifelink and haste, and gaining an additional combat phase after this one
5. Repeat each combat phase
6. If opponents control at least six artifacts and/or enchantments, this combo nets infinite Treasure tokens and colored mana

Results

• Infinite colored mana
• Infinite combat phases
• Infinite creature tokens with haste
• Infinite ETB
• Infinite mana creatures you control can produce
• Infinite Treasure tokens
• Infinite untap of creatures you control