Urtet, Remnant of Memnarch, Najeela, the Blade-Blossom, and Cryptolith Rite

Prerequisites

• Urtet, Remnant of Memnarch on the battlefield
• Najeela, the Blade-Blossom on the battlefield
• Cryptolith Rite on the battlefield
• You control at least five Myr without summoning sickness

Steps

1. At the beginning of your combat phase, Urtet triggers, untapping each Myr you control
2. Activate five Myr by tapping them, adding
3. Activate Najeela by paying , untapping all attacking creatures, giving them trample, lifelink and haste, and gaining an additional combat phase after this one
4. Repeat each combat phase

Results

• Infinite combat phases
• Infinite untap of Myr you control