Ivy Lane Denizen, Ulasht, the Hate Seed, Jaheira, Friend of the Forest, and Fervor

Prerequisites

• Ivy Lane Denizen on the battlefield
• Ulasht, the Hate Seed on the battlefield
• Jaheira, Friend of the Forest on the battlefield
• Fervor on the battlefield
• At least two +1/+1 counters on Ulasht
• available

Steps

1. Activate Ulasht by paying and removing a +1/+1 counter from Ulasht, creating a 1/1 Saporling creature token
2. The Saproling token enters triggering Ivy Lane Denizen, putting a +1/+1 counter on Ulasht
3. Activate the Saproling token by tapping it, adding
4. Repeat

Results

• Infinite ETB
• Infinite tapped creature tokens