Najeela, the Blade-Blossom, Halana and Alena, Partners, Cryptic Trilobite, and Chromatic Orrery

Prerequisites

• Najeela, the Blade-Blossom on the battlefield
• Halana and Alena, Partners on the battlefield
• Cryptic Trilobite on the battlefield
• Chromatic Orrery on the battlefield
• Najeela does not have summoning sickness
• Halana and Alena has at least three power
• Opponents can not block and kill Najeela

Steps

1. Move to combat
2. Halana and Alena trigger, putting at least three +1/+1 counters on Cryptic Trilobite
3. Attack with at least Najeela
4. Najeela triggers, creating a 1/1 Warrior creature token that is tapped and attacking
5. Activate Cryptic Trilobite by removing three +1/+1 counters from it, adding that can only be spent to activate abilities
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 +1/+1 counters on creatures you control
• Infinite colored mana that can only be spent to activate abilities
• Infinite colorless mana that can only be spent to activate abilities
• Infinite combat phases
• Infinite creature tokens with haste
• Infinite ETB
• Infinite lifegain
• Infinite lifegain triggers
• Infinite tap triggers