Marath, Will of the Wild, Ivy Lane Denizen, and Phyrexian Altar

Prerequisites

• Marath, Will of the Wild on the battlefield
• Ivy Lane Denizen on the battlefield
• Phyrexian Altar on the battlefield
• Marath has at least two +1/+1 counters on it
• available

Steps

1. Activate Marath by paying and removing a +1/+1 counter from it, creating a 1/1 Elemental creature token
2. When the Elemental enters the battlefield, Ivy Lane Denizen triggers, putting a +1/+1 counter on Marath
3. Activate Phyrexian Altar by sacrificing the Elemental token, adding
4. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers