Elenda, the Dusk Rose, Phyrexian Altar, and Blade of the Bloodchief

Prerequisites

• Elenda, the Dusk Rose on the battlefield
• Phyrexian Altar on the battlefield
• Blade of the Bloodchief on the battlefield
• plus commander tax if applicable available

Steps

1. Activate Phyrexian Altar by sacrificing Elenda, adding
2. Choose to return Elenda from your graveyard to the command zone
3. When Elenda dies, it triggers, creating a number of 1/1 Vampire creature tokens equal to its power
4. Cast Elenda from the command zone by paying plus commander tax, if applicable
5. Activate Blade of the Bloodchief's equip ability by paying , attaching it to Elenda
6. Activate Phyrexian Altar by sacrificing a Vampire token, adding
7. When the Vampire dies, Elenda and Blade of the Bloodchief trigger, putting three +1/+1 counters on Elenda
8. Repeat from step 6 for each Vampire token
9. Repeat from step 1

Results

• Infinite LTB
• Infinite ETB
• Infinite colored mana
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count
• Infinite creature tokens
• Infinite +1/+1 counters
• Infinite commander casts