Alesha, Who Smiles at Death + Medomai the Ageless + Phyrexian Altar + Spark Double

Mana needed: {U/B}{U/B} each turn

WUBR identity

Commander legal

The 4 combo pieces

• Alesha, Who Smiles at Death
• Medomai the Ageless
• Phyrexian Altar
• Spark Double

What must be in place

An opponent cannot block creatures you control.
Alesha does not have summoning sickness.

How to execute it

1. Declare Alesha as an attacker.
2. Alesha triggers, causing you to pay {U/B}{U/B} to return Spark Double from your graveyard to the battlefield tapped and attacking as a nonlegendary copy of Medomai the Ageless.
3. Deal combat damage using Spark Double.
4. Spark Double triggers, causing you to take an extra turn after this one.
5. Activate Phyrexian Altar by sacrificing Spark Double
6. Repeat each turn.

What the combo produces

• Infinite turns
• Lock