Najeela, the Blade-Blossom + Mobile Garrison + Chromatic Orrery

Prerequisites

• Mobile Garrison is a creature.
• Mobile Garrison and Chromatic Orrery do not have summoning sickness.
• An opponent cannot block and kill Mobile Garrison.

Steps

1. 1Declare Mobile Garrison and Najeela, if able, as attackers.
2. 2Mobile Garrison triggers, as well as Najeela if it was declared an attacker.
3. 3Resolve the Mobile Garrison trigger, untapping Chromatic Orrery.
4. 4Resolve the Najeela trigger, if applicable, creating a 1/1 Warrior creature token that is tapped and attacking.
5. 5Holding priority, activate Chromatic Orrery's first ability by tapping it, adding .
6. 6Activate Najeela by paying , untapping all attacking creatures, giving them trample, lifelink and haste, and gaining an additional combat phase after this one.
7. 7Repeat each combat phase.

Effects

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