Ashnod the Uncaring + Akul the Unrepentant + Cloudstone Curio + Abhorrent Overlord

Prerequisites

• You control at least three additional creatures.

Steps

1. 1Activate Akul the Unrepentant by sacrificing three creatures.
2. 2Ashnod the Uncaring triggers, copying Akul the Unrepentant's ability.
3. 3Resolve the copy of Akul the Unrepentant's ability, putting Abhorrent Overlord from your hand onto the battlefield.
4. 4When Abhorrent Overlord enters the battlefield, it and Cloudstone Curio trigger.
5. 5Resolve the Abhorrent Overlord trigger, creating a number of 1/1 Harpy creature tokens equal to your devotion to black.
6. 6When the Harpys enter the battlefield, Cloudstone Curio triggers that many times, returning nothing to your hand from the battlefield.
7. 7Resolve the Cloudstone Curio trigger from step 4, returning Akul the Unrepentant from the battlefield to your hand.
8. 8Resolve Akul the Unrepentant's ability from step 1, putting it onto the battlefield from your hand.
9. 9When Akul the Unrepentant enters the battlefield, Cloudstone Curio triggers, returning Abhorrent Overlord from the battlefield to your hand.
10. 10Repeat.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite creature tokens
• Infinite death triggers