Najeela, the Blade-Blossom, and Druids' Repository

Prerequisites

• Najeela, the Blade-Blossom on the battlefield
• Druids' Repository on the battlefield
• You control four additional creatures
• All creatures you control do not have summoning sickness
• Opponents can not block and kill creatures you control

Steps

1. Declare Najeela and four other creature as attackers
2. Najeela triggers, creating a 1/1 Warrior creature token that is tapped and attacking
3. Druids' Repository triggers five times, putting five charge counters on it
4. Activate Druids' Repository five times by removing five charge counters from it, adding
5. Activate Najeela by paying , untapping all attacking creatures, giving them trample, lifelink, and haste, and gaining an additional combat phase after this one
6. Repeat each combat phase

Results

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