Emry, Lurker of the Loch, Phyrexian Altar, Genesis Chamber, and Worldwalker Helm

Prerequisites

• Emry, Lurker of the Loch in the command zone
• Phyrexian Altar on the battlefield
• Genesis Chamber on the battlefield
• Worldwalker Helm on the battlefield
• You control a number of artifacts equal to or greater than two plus Emry's commander tax
• available

Steps

1. Cast Emry from the command zone by paying
2. When Emry enters the battlefield, it and Genesis Chamber trigger
3. Resolve the Emry trigger, causing you to mill four cards
4. Resolve the Genesis Chamber trigger, creating a 1/1 Myr artifact creature token and a Map token
5. Activate Phyrexian Altar by sacrificing Emry, adding
6. Choose to return Emry to the command zone from your graveyard
7. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite colored mana
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count
• Infinite creature tokens
• Infinite commander casts
• Infinite Map tokens
• Infinite self-mill