Emry, Lurker of the Loch, Mirran Spy, and Tormod's Crypt

Prerequisites

• Emry, Lurker of the Loch on the battlefield
• Mirran Spy on the battlefield
• Tormod's Crypt on the battlefield
• Emry does not have summoning sickness

Steps

1. Activate Tormod's Crypt by tapping and sacrificing it, exiling an opponent's graveyard
2. Activate Emry by tapping it, allowing you to cast Tormod's Crypt from your graveyard this turn
3. Cast Tormod's Crypt by paying
4. Mirran Spy triggers, untapping Emry
5. Repeat

Results

• Infinite storm count