Mikaeus, the Unhallowed + Defiant Greatmaw + Altar of Dementia

Prerequisites

• Defiant Greatmaw does not have a +1/+1 counter on it.

Steps

1. 1Activate Altar of Dementia by sacrificing Defiant Greatmaw.
2. 2When Defiant Greatmaw dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
3. 3When Defiant Greatmaw enters the battlefield, its first ability triggers, putting two -1/-1 counters on it.
4. 4Defiant Greatmaw's second ability triggers, removing a -1/-1 counter from another creature you control.
5. 5Resolve the Altar of Dementia ability from step 1, causing target player to mill cards equal to Defiant Greatmaw's power.
6. 6Repeat.

Effects

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