Haunted Dead, Phyrexian Altar, Embalmer's Tools, and Smothering Abomination

Prerequisites

• Haunted Dead on the battlefield
• Phyrexian Altar on the battlefield
• Embalmer's Tools on the battlefield
• Smothering Abomination on the battlefield
• You have at least one card in hand

Steps

1. Activate Phyrexian Altar by sacrificing Haunted Dead, adding
2. Smothering Abomination triggers, drawing you a card
3. Activate Haunted Dead by paying and discarding two cards, returning Haunted Dead from your graveyard to the battlefield tapped
4. Haunted Dead enters the battlefield, creating a 1/1 Spirit creature token
5. Activate Phyrexian Altar by sacrificing a Spirit creature token, adding one mana of any color
6. Smothering Abomination triggers, drawing you a card
7. Repeat

Results

• Infinite card draw
• Infinite colored mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers