Ghave, Guru of Spores, Ivy Lane Denizen, and Ashnod's Altar

Prerequisites

• Ghave, Guru of Spores on the battlefield
• Ivy Lane Denizen on the battlefield
• Ashnod's Altar on the battlefield
• A creature you control has a +1/+1 counter on it
• available

Steps

1. Activate Ghave's first ability by paying and removing a +1/+1 counter from a creature you control, creating a 1/1 Saproling creature token
2. The Saproling enters the battlefield, triggering Ivy Lane Denizen, putting a +1/+1 counter on the Saproling
3. Activate Ghave's first ability by paying and removing a +1/+1 counter from the Saproling
4. Holding priority, activate Phyrexian Altar by sacrificing the Saproling, adding
5. Resolve the Ghave ability, creating a 1/1 Saproling creature token
6. Repeat from step 2

Results

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