Najeela, the Blade-Blossom, Composite Golem, and Helm of the Host

Prerequisites

• Najeela, the Blade-Blossom on the battlefield
• Composite Golem on the battlefield
• Helm of the Host on the battlefield
• Helm of the Host attached to Composite Golem

Steps

1. At the beginning of combat during your turn, Helm of the Host triggers, creating a token copy of Composite Golem
2. Activate the Composite Golem token by sacrificing it, adding
3. Activate Najeela by paying , untapping all attacking creatures, giving them trample, lifelink and haste, and getting an additional combat phase after this one
4. Repeat each combat phase

Results

• Infinite combat phases
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite lifegain
• Infinite lifegain triggers
• Infinite LTB
• Infinite sacrifice triggers