Sly Requisitioner, Salvaging Station, and Phantom Train

Prerequisites

• Sly Requisitioner on the battlefield
• Salvaging Station on the battlefield
• Phantom Train on the battlefield

Steps

1. Activate Salvaging Station by tapping it, returning the artifact from your graveyard to the battlefield
2. Activate Phantom Train by sacrificing the artifact
3. Sly Requisitioner triggers, creating a 1/1 Servo artifact creature token
4. Resolve the Phantom Train ability, putting a +1/+1 counter on it and causing it to become a Spirit artifact creature in addition to its other types until end of turn
5. Activate Phantom Train by sacrificing the Servo
6. When the Servo dies, Salvaging Station triggers, untapping Salvaging Station
7. Resolve the Phantom Train ability, putting a +1/+1 counter on it and causing it to become a Spirit artifact creature in addition to its other types until end of turn
8. Repeat

Results

• Infinite card draw
• Infinite draw triggers
• Near-infinite colorless mana
• Near-infinite creature ETB
• Near-infinite creature LTB
• Near-infinite creature sacrifice triggers
• Near-infinite death triggers