Mycosynth Lattice + Hellkite Tyrant

Prerequisites

• An opponent cannot block Hellkite Tyrant.

Steps

1. 1Deal combat damage to an opponent using Hellkite Tyrant. Hellkite Tyrant triggers, causing you to gain control of all permanents that player controls, as they'll all be artifacts due to Mycosynth Lattice.
2. 2At the beginning of your upkeep, if you control twenty or more artifacts, Hellkite Tyrant will trigger, causing you to win the game.

Effects

• Gain control of all permanents an opponent controls during each of your turns
• Lock
• Win the game at the beginning of your next upkeep