Spine of Ish Sah, Priest of Yawgmoth, and Paradox Engine

Prerequisites

• Spine of Ish Sah on the battlefield
• Priest of Yawgmoth on the battlefield
• Paradox Engine 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. Paradox Engine triggers, untapping all nonland permanents you control
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