Prossh, Skyraider of Kher, Phyrexian Altar, and Chatterfang, Squirrel General

Prerequisites

• Prossh, Skyraider of Kher in the command zone
• Phyrexian Altar on the battlefield
• Chatterfang, Squirrel General on the battlefield
• plus enough mana to pay for commander tax, if applicable available

Steps

1. Cast Prossh from the command zone by paying and commander tax, if applicable
2. Prossh triggers, creating a number of 0/1 Kobolds of Kher Keep and 1/1 Squirrel creature tokens equal to the amount of mana spent to cast Prossh
3. Activate Phyrexian Altar three times by sacrificing Prossh and two Kobold and/or Squirrel tokens, adding
4. Choose to return Prossh to the command zone from your graveyard
5. Activate Phyrexian Altar by sacrificing a Kobold or Squirrel, adding
6. Repeat step 5 until you have enough mana to cast Prossh
7. Repeat from step 1

Results

• Infinite colored mana
• Infinite commander casts
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers