How can you create a combo with Glacial Chasm, Thalia and The Gitrog Monster, Conduit of Worlds?
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[START OF COMBO]This combo can be formed with Glacial Chasm, Thalia and The Gitrog Monster, Conduit of Worlds

Color identity: WBG
Mana cost: 
Steps:
  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.[END OF COMBO STEPS]

Result:
  - Prevent all damage that would be dealt to you[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
[END OF COMBO PREREQUISITES]
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