Atla Palani, Nest Tender, Mortuary, and Phyrexian Altar

Prerequisites

• Atla Palani, Nest Tender on the battlefield
• Mortuary on the battlefield
• Phyrexian Altar on the battlefield
• You control a nontoken Egg or a creature with changeling

Steps

1. Activate Phyrexian Altar by sacrificing a nontoken Egg or a nontoken creature with changeling, adding one mana of any color
2. When the creature dies, Atla Palani and Mortuary trigger
3. Resolve the Mortuary trigger, putting the creature on top of your library from your graveyard
4. Resolve the Atla Palani trigger, revealing the creature from the top of your library and then putting it onto the battlefield
5. Repeat

Results

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