Najeela, the Blade-Blossom, Jetmir, Nexus of Revels, and Bloom Tender

Prerequisites

• Najeela, the Blade-Blossom on the battlefield
• Jetmir, Nexus of Revels on the battlefield
• Bloom Tender on the battlefield
• Bloom Tender and Najeela do not have summoning sickness
• You control a blue and a black permanent
• Opponents can not block and kill creatures you control

Steps

1. Declare Najeela and Bloom Tender as attackers
2. Najeela triggers, creating a 1/1 Warrior creature token that is tapped and attacking
3. Activate Bloom Tender by tapping it, 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

Results

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