Sporoloth Ancient, Fungal Bloom, Phyrexian Altar, Queen Allenal of Ruadach, and Winding Constrictor

Prerequisites

• Sporoloth Ancient on the battlefield
• Fungal Bloom on the battlefield
• Phyrexian Altar on the battlefield
• Queen Allenal of Ruadach on the battlefield
• Winding Constrictor on the battlefield
• available

Steps

1. Activate Fungal Bloom by paying , putting two spore counters on a Fungus you control
2. Activate a Fungus by removing two spore counters from it, creating a 1/1 Soldier and a 1/1 Saproling creature token
3. Activate Phyrexian Altar twice by sacrificing the Soldier and Saproling, adding
4. Repeat

Results

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