Hellkite Tyrant, Mycosynth Lattice, and Blade of Selves

Prerequisites

• Hellkite Tyrant on the battlefield
• Mycosynth Lattice on the battlefield
• Blade of Selves on the battlefield
• Blade of Selves attached to Hellkite Tyrant
• Opponents are unable to block and kill creatures you control
• There are at least twenty permanents on the battlefield
• Hellkite Tyrant does not have summoning sickness

Steps

1. Declare Hellkite Tyrant as an attacker
2. Hellkite Tyrant's myriad ability triggers, creating a token copy of it attacking each other opponent
3. Deal combat damage with each Hellkite Tyrant
4. Each Hellkite Tyrant's ability triggers, causing you to gain control of all permanents your opponent control, as they are all artifacts due to Mycosynth Lattice
5. At the beginning of your next upkeep, Hellkite Tyrant triggers, causing you to win the game

Results

• Gain control of all permanents your opponents control
• Win the game at the beginning of your next upkeep