Kederekt Leviathan, and Animate Dead

Prerequisites

• Kederekt Leviathan in the graveyard
• Animate Dead in hand
• available

Steps

1. Cast Animate Dead by paying
2. Animate Dead enters the battlefield, returning Kederekt Leviathan from your graveyard to the battlefield attached with Animate Dead
3. Kederekt Leviathan triggers, returning all nonland permanents to their owner's hands
4. Animate Dead triggers, causing you to sacrifice Kederekt Leviathan
5. Repeat each turn

Results

• Return all nonland permanents to owner's hand each turn