Displaced Dinosaurs, Salvaging Station, and Umbral Collar Zealot

Prerequisites

• Displaced Dinosaurs on the battlefield
• Salvaging Station on the battlefield
• Umbral Collar Zealot on the battlefield

Steps

1. Activate Salvaging Station by tapping it, putting the noncreature artifact from your graveyard onto the battlefield as a 7/7 Dinosaur creature due to Displaced Dinosaurs
2. Activate Umbral Collar Zealot by sacrificing the artifact returned in step 1
3. When the artifact dies, Salvaging Station triggers, untapping Salvaging Station
4. Resolve the Umbral Collar Zealot ability
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite surveil 1