Prossh, Skyraider of Kher + Phyrexian Altar + Purphoros, God of the Forge

Prossh, Skyraider of Kher

Phyrexian Altar

Purphoros, God of the Forge

How it works

1. Cast Prossh from the command zone by paying 3 and commander tax, if applicable.
2. Prossh triggers, creating a 0/1 Kobolds of Kher Keep token for each mana spent to cast it.
3. The Kobolds enter the battlefield, triggering Purphoros that many times, dealing 2 damage to each opponent for each Kobold.
4. Prossh enters the battlefield, triggering Purphoros, dealing 2 damage to each opponent.
5. Activate Phyrexian Altar three times by sacrificing Prossh and two Kobolds, adding .
6. Choose to return Prossh from your graveyard to the command zone.
7. Activate Phyrexian Altar by sacrificing all remaining Kobolds, adding 1 for each Kobold sacrificed this way.
8. Repeat for each 1 additional mana you have available.