Bone Miser + Phyrexian Altar + Tortured Existence

B identity

Commander legal

The 3 combo pieces

• Bone Miser
• Phyrexian Altar
• Tortured Existence

How to execute it

1. Activate Tortured Existence by paying {B} and discarding a creature card.
2. Bone Miser triggers, creating a 2/2 Zombie creature token.
3. Resolve the Tortured Existence ability, returning another creature card from your graveyard to your hand.
4. Activate Phyrexian Altar by sacrificing the Zombie, adding {B}.
5. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Infinite self-discard triggers