Bone Miser, Tortured Existence, and Phyrexian Altar

Prerequisites

• Bone Miser on the battlefield
• Tortured Existence on the battlefield
• Phyrexian Altar on the battlefield
• You have at least one creature card in hand and one creature card in your graveyard
• available

Steps

1. Activate Tortured Existence by paying and discarding a creature card from your hand, targeting any creature card in your graveyard
2. Bone Miser's first ability triggers, creating a 2/2 Zombie creature token
3. Resolve the Tortured Existence ability, returning the creature card in your graveyard to your hand
4. Activate Phyrexian Altar by sacrificing the Zombie, adding
5. Repeat

Results

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