Zask, Skittering Swarmlord + Azusa, Lost but Seeking + Glacial Chasm

Prerequisites

• You control at least one additional land.

Steps

1. 1Play Glacial Chasm either from your hand or from your graveyard.
2. 2When Glacial Chasm enters the battlefield, its second ability triggers, causing you to sacrifice another land you control.
3. 3Pass the turn.
4. 4At the beginning of your next upkeep, Glacial Chasm's cumulative upkeep ability triggers, causing you to sacrifice it.
5. 5Play a land except Glacial Chasm from your graveyard.
6. 6Repeat.

Effects

• Lock
• Prevent all damage that would be dealt to you