Nylea, Keen-Eyed + Oathsworn Vampire + Phyrexian Altar

BG identity

Commander legal

The 3 combo pieces

• Nylea, Keen-Eyed
• Oathsworn Vampire
• Phyrexian Altar

How to execute it

1. Activate Phyrexian Altar by sacrificing Oathsworn Vampire, adding {B}.
2. Cast Oathsworn Vampire from your graveyard by paying {B}.
3. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Infinite storm count