Najeela, the Blade-Blossom, Faeburrow Elder, and Militia Rallier

Prerequisites

• Najeela, the Blade-Blossom on the battlefield
• Faeburrow Elder on the battlefield
• Militia Rallier on the battlefield
• All permanents do not have summoning sickness
• You control a blue and a black permanent
• Opponents can not block and kill creatures you control

Steps

1. Attack with Najeela, Faeburrow Elder, and Militia Rallier
2. Najeela and Militia Rallier trigger
3. Resolve the Najeela trigger, creating a 1/1 Warrior creature token that is tapped and attacking
4. Resolve the Militia Rallier trigger, untapping Faeburrow Elder
5. Activate Faeburrow Elder by tapping it, adding
6. Activate Najeela by paying , untapping all attacking creatures, giving them trample, lifelink and haste, and gaining an additional combat phase after this one
7. Repeat

Results

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