Glacial Chasm + Crucible of Worlds + Song of Creation

Glacial Chasm

Crucible of Worlds

Song of Creation

How it works

1. Play Glacial Chasm either from your hand or from your graveyard.
2. When Glacial Chasm enters the battlefield, its second ability triggers, causing you to sacrifice another land you control.
3. Play any land from your graveyard.
4. At the beginning of your next upkeep, Glacial Chasm's cumulative upkeep ability triggers, allowing you to choose not to pay the cost and sacrifice it instead.
5. Repeat.

This elegant lockdown loops **Glacial Chasm** to keep you entirely insulated from damage without ever buckling under its escalating cumulative upkeep costs. By utilizing **Crucible of Worlds**, you can replay **Glacial Chasm** from your graveyard each time it is sacrificed to its own upkeep or to its initial land-sacrifice trigger. Meanwhile, **Song of Creation** supercharges the engine by granting you an additional land drop on each of your turns and drawing you two cards whenever you cast a spell, ensuring you constantly cycle through your deck while maintaining the impenetrable fortress.