Spine of Ish Sah + Sami, Wildcat Captain + Grinding Station

Prerequisites

• You control at least seven artifacts.

Steps

1. 1Cast Spine of Ish Sah by paying due to Sami.
2. 2When Spine of Ish Sah enters, its first ability and Grinding Station trigger, with Spine of Ish Sah targeting either a permanent an opponent controls or itself if an opponent doesn't control a targetable permanent.
3. 3Resolve the Grinding Station trigger, untapping it.
4. 4Holding priority, activate Grinding Station by tapping it and sacrificing Spine of Ish Sah.
5. 5If you targeted Spine of Ish Sah in step 2, the ability will fizzle due to having no legal target.
6. 6Spine of Ish Sah's second ability triggers, returning it from your graveyard to your hand.
7. 7Resolve the Grinding Station ability from step 4.
8. 8Resolve the Spine of Ish Sah trigger from step 2, if applicable.
9. 9Repeat from step 1.

Effects

• Destroy all permanents opponents control each turn
• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite mill
• Infinite self-mill
• Infinite storm count
• Lock
• Mass Land Denial