Essence of the Wild, Requiem Angel, and Phyrexian Altar

Prerequisites

• Essence of the Wild on the battlefield
• Requiem Angel on the battlefield
• Phyrexian Altar on the battlefield
• You control at least one other non-Spirit creature

Steps

1. Activate Phyrexian Altar by sacrificing any other non-Spirit creature, adding one mana of any color
2. When the creature dies, Requiem Angel triggers, creating a 1/1 Spirit creature token that enters the battlefield as a copy of Essence of the Wild
3. Repeat

Results

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