Missy + Skirk Alarmist + Thornbite Staff + Altar of Dementia

Prerequisites

• You control another nontoken nonartifact creature.
• Thornbite Staff attached to Skirk Alarmist.

Steps

1. 1Activate Altar of Dementia by sacrificing another nontoken nonartifact creature.
2. 2When the creature dies, Missy's first ability and Skirk Alarmist trigger.
3. 3Resolve the Missy ability, returning the creature from your graveyard to the battlefield face down as a 2/2 Cyberman artifact creature.
4. 4Resolve the Skirk Alarmist trigger, untapping it.
5. 5Resolve the Altar of Dementia ability from step 1, causing target player to mill cards equal to the sacrificed creature's power.
6. 6Activate Skirk Alarmist by tapping it, turning the creature face up.
7. 7Repeat.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite mill
• Infinite self-mill