Prossh, Skyraider of Kher + Earthcraft + Ashnod's Altar
Prossh, Skyraider of Kher
Earthcraft
Ashnod's Altar
Infinite colorless manaInfinite commander castsInfinite creature tokensInfinite death triggersInfinite creature ETBInfinite creature LTBInfinitely powerful creature until end of turnInfinite creature sacrifice triggersInfinite storm countInfinite mana basic lands you control can produceInfinite untap of basic lands you control
How it works
Activate a basic Swamp, Mountain and Forest by tapping them, adding .
Cast Prossh from the command zone by paying 3 plus commander tax, if applicable.
Prossh triggers, creating a number of 0/1 Kobolds of Kher Keep tokens equal to the amount of mana spent to cast Prossh.
Activate Earthcraft three times by tapping two Kobolds of Kher Keep tokens and Prossh, untapping a basic Swamp, Mountain and Forest.
Activate Ashnod's Altar by sacrificing Prossh, adding CC.
Choose to return Prossh from your graveyard to the command zone.
Activate Ashnod's Altar by sacrificing a Kobolds of Kher Keep token, adding CC.
Repeat step 7 until you have enough mana to cast Prossh.