This helps to set up Asmoranomardicadaistinaculdacars surprisingly potent removal effect, which one can only imagine involves force-feeding opposing creatures to death, and can even bring her back later on if need be
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But its her triggered ability that makes her insane here
You could just add Forests, Swamps, and Plains to your deck and call it a day, but that would probably result in you drawing Swamps when you need Forests and Plains when you need Swamps, so we need to look into other options
After some extractions and good LD look for the Crucible of Worlds + Ghost Quarter lockdown for every turn LD to cycle through your enemies lands
Whispers in the Well makes a lot more ink color combinations viable, and brings some truly powerful landmark cards to the forefront