Wilhelt, the Rotcleaver, Myrkul, Lord of Bones, Dress Down, and Phyrexian Altar

Prerequisites

• Wilhelt, the Rotcleaver on the battlefield
• Myrkul, Lord of Bones on the battlefield
• Dress Down in hand
• Phyrexian Altar on the battlefield
• You control at least one additional Zombie
• available

Steps

1. Activate Phyrexian Altar by sacrificing Wilhelt, adding
2. When Wilhelt dies, Myrkul triggers, exiling Wilhelt from your graveyard and creating a token copy of Wilhelt that is an enchantment
3. Cast Dress Down by paying
4. When Dress Down enters the battlefield, it triggers, causing you to draw a card
5. Activate Phyrexian Altar by sacrificing a Zombie, adding one mana of any color
6. When the Zombie dies, the Wilhelt token triggers, creating a 2/2 Zombie creature token with decayed, which becomes a 2/2 Zombie without decayed due to Dress Down
7. Repeat from step 5

Results

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