Sporoloth Ancient, Fungal Bloom, Phyrexian Altar, Kaya, Geist Hunter, and Brad Boimler, Eager Ensign

Prerequisites

• Sporoloth Ancient on the battlefield
• Fungal Bloom on the battlefield
• Phyrexian Altar on the battlefield
• Kaya, Geist Hunter on the battlefield
• Brad Boimler, Eager Ensign on the battlefield
• available

Steps

1. Activate Kaya's second loyalty ability by removing two loyalty counters from it, causing you to double any tokens you create this turn
2. Activate Fungal Bloom by paying , putting two spore counters on Sporoloth Ancient due to Brad Boimler
3. Activate Sporoloth Ancient by removing two spore counters from it, creating a 1/1 Saproling creature token plus an additional creature token due to Kaya, Geist Hunter
4. Activate Phyrexian Altar twice by sacrificing two creature tokens, adding
5. Repeat from step 2

Results

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