Enduring Renewal, Hidden Herbalists, and Phantom Train

Prerequisites

• Enduring Renewal on the battlefield
• Hidden Herbalists in hand
• Phantom Train on the battlefield
• available

Steps

1. Cast Hidden Herbalists by paying its mana cost
2. When Hidden Herbalists enters, it triggers, adding
3. Activate Phantom Train by sacrificing Hidden Herbalists
4. When Hidden Herbalists dies, Enduring Renewal triggers, returning Hidden Herbalists from your graveyard to your hand
5. Resolve the Phantom Train ability, putting a +1/+1 counter on Phantom Train and causing it to become a creature until end of turn
6. Repeat

Results

• Infinite +1/+1 counters on a creature
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite storm count