Najeela, the Blade-Blossom, Faeburrow Elder, and Helm of the Host

Prerequisites

• Najeela, the Blade-Blossom on the battlefield
• Faeburrow Elder on the battlefield
• Helm of the Host on the battlefield
• Helm of the Host attached to Faeburrow Elder
• Opponents can not block and kill creatures you control
• You control a blue and a black permanent

Steps

1. At the beginning of your combat phase, Helm of the Host triggers, creating a token copy of Faeburrow Elder with haste
2. Activate the Faeburrow Elder token by tapping it, adding
3. Activate Najeela by paying , untapping all attacking creatures, giving them trample, lifelink and haste, and gaining an additional combat phase after this one
4. Repeat each combat phase

Results

• Infinite combat phases
• Infinite creature tokens
• Infinite ETB
• Infinite lifegain
• Infinite lifegain triggers