Ashaya, Soul of the Wild, Blossoming Tortoise, and Pentavus

Prerequisites

• Ashaya, Soul of the Wild on the battlefield
• Blossoming Tortoise on the battlefield
• Pentavus on the battlefield

Steps

1. Activate Pentavus' first ability by removing a +1/+1 counter from it, creating a 1/1 Pentavite artifact creature token
2. Activate Pentavus' second ability by sacrificing the Pentavite, putting a +1/+1 counter on Pentavus
3. Repeat

Results

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