The Balrog, Durin's Bane, Phyrexian Altar, and Ogre Slumlord

Prerequisites

• The Balrog, Durin's Bane in the command zone
• Phyrexian Altar on the battlefield
• Ogre Slumlord on the battlefield
• There have been a number of permanents sacrificed this turn equal to five plus The Balrog's commander tax
• available

Steps

1. Cast The Balrog from the command zone by paying
2. Activate Phyrexian Altar by sacrificing The Balrog, adding
3. Choose to return The Balrog to the command zone from your graveyard
4. When The Balrog dies, it and Ogre Slumlord trigger
5. Resolve the Balrog trigger, destroying any artifact and/or creature an opponent controls
6. Resolve the Ogre Slumlord trigger, creating a 1/1 Rat creature token
7. Activate Phyrexian Altar by sacrificing the Rat, adding
8. Repeat

Results

• Infinite commander casts
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count