Kederekt Leviathan + Necromancy

Mana needed: {2}{B}

UB identity

Commander legal

The 2 combo pieces

• Kederekt Leviathan
• Necromancy

How to execute it

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

What the combo produces

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