Emiel the Blessed, Lightning Runner, Multiform Wonder, and Circle of Dreams Druid

Prerequisites

• Emiel the Blessed on the battlefield
• Lightning Runner on the battlefield
• Multiform Wonder on the battlefield
• Circle of Dreams Druid on the battlefield
• Circle of Dreams Druid does not have summoning sickness
• You control at least two other creatures
• An opponent cannot block and kill Lightning Runner

Steps

1. Declare Lightning Runner as an attacker, triggering its ability
2. Holding priority, activate Circle of Dreams Druid by tapping it, adding at least six
3. Activate Emiel by paying , blinking Multiform Wonder
4. Multiform Wonder enters the battlefield, causing you to get
5. Repeat from step 3 one additional time
6. Resolve the Lightning Runner ability from step 1, causing you to get , then pay eight to untap all creatures you control, and to get an additional combat phase after this one
7. Repeat each combat phase

Results

• Infinite combat phases
• Infinite ETB
• Infinite LTB