Prerequisites
- Ashnod the Uncaring on the battlefield
- Goblin Engineer on the battlefield
- Corridor Monitor on the battlefield
- Commander's Sphere on the battlefield
Steps
- Activate Commander's Sphere's first ability by tapping it, adding
- Activate Commander's Sphere's second ability by sacrificing it, causing you to draw a card
- Activate Goblin Engineer by paying
, tapping and sacrificing Corridor Monitor, targeting Commander's Sphere
- Ashnod triggers, copying Goblin Engineer's ability, targeting Corridor Monitor
- Resolve the first Goblin Engineer ability, returning Corridor Monitor from your graveyard to the battlefield
- Corridor Monitor enters the battlefield, untapping Goblin Engineer
- Resolve the second Goblin Engineer ability, returning Commander Sphere from your graveyard to the battlefield
- Repeat until you choose to stop or until you have no cards remaining in your library
- If desired, you may then repeat this loop but perform steps 3 through 7 in response to the Commander Sphere card draw ability, allowing you to repeat this loop infinite times
- You must then win the game at instant speed or find another way to survive drawing from an empty library
Results
- Infinite creature ETB
- Infinite creature LTB
- Infinite creature sacrifice triggers
- Infinite death triggers
- Infinite card draw
- Infinite draw triggers
Required Cards 4

Ashnod the Uncaring
Legendary Creature — Human Artificer

Goblin Engineer
Creature — Goblin Artificer

Corridor Monitor
Artifact Creature — Construct

Commander's Sphere
Artifact