Abdel Adrian, Gorion's Ward, Hellkite Courser, and Altar of Dementia

Prerequisites

• Abdel Adrian, Gorion's Ward on the battlefield
• Hellkite Courser in exile
• Altar of Dementia on the battlefield

Steps

1. Activate Altar of Dementia by sacrificing Abdel Adrian
2. Choose to have Abdel Adrian returned to the command zone from your graveyard
3. Hellkite Courser returns to the battlefield from exile, triggering itself, putting Abdel Adrain from the command zone onto the battlefield
4. Abdel Adrian enters the battlefield, exiling Hellkite Courser and creating a 1/1 Soldier creature token
5. Resolve the Altar of Dementia ability from step 1, causing target player to mill cards equal to Abdel Adrian's power
6. Repeat

Results

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