Emry, Lurker of the Loch, Mirran Spy, and Urza's Bauble

Prerequisites

• Emry, Lurker of the Loch on the battlefield
• Mirran Spy on the battlefield
• Urza's Bauble in the graveyard

Steps

1. Activate Emry by tapping it, targeting Urza's Bauble
2. Cast Urza's Bauble from your graveyard by paying
3. Mirran Spy triggers, untapping Emry
4. Activate Urza's Bauble by sacrificing it
5. Repeat

Results

• Infinite storm count
• Infinite card draw at the beginning of the next upkeep step
• Infinite draw triggers at the beginning of the next upkeep step