Spine of Ish Sah, Priest of Yawgmoth, and Mirran Spy

Prerequisites

• Spine of Ish Sah on the battlefield
• Priest of Yawgmoth on the battlefield
• Mirran Spy on the battlefield
• Priest of Yawgmoth does not have summoning sickness

Steps

1. Activate Priest of Yawgmoth by tapping and sacrificing Spine of Ish Sah, adding seven
2. Spine of Ish Sah triggers, returning itself from your graveyard to your hand
3. Cast Spine of Ish Sah by paying
4. Mirran Spy triggers, untapping Priest of Yawgmoth
5. Spine of Ish Sah enters the battlefield, destroying target permanent
6. Repeat

Results

• Destroy any number of target permanent(s) opponents control
• Near-infinite storm count
• Near-infinite tap triggers