Dross Scorpion + Liquimetal Coating + March of the Machines

U identity

Commander legal

The 3 combo pieces

• Dross Scorpion
• Liquimetal Coating
• March of the Machines

What must be in place

Liquimetal Coating does not have summoning sickness.

How to execute it

1. Activate Liquimetal Coating by tapping it, turning an opponent's land into an artifact.
2. The land becomes a 0/0 creature due to March of the Machines, and dies as a state-based action due to having zero or less toughness.
3. Dross Scorpion triggers, untapping Liquimetal Coating.
4. Repeat.
5. You may also repeat this loop whenever a land enters the battlefield under an opponent's control.

What the combo produces

• Destroy all lands opponents control
• Destroy all lands that enter the battlefield under an opponent's control
• Lock
• Mass Land Denial