UB Mill

https://scryfall.com/@yoman5/decks/cc08679c-4589-41a1-a4a7-f6eec9784527

4 Merfolk Secretkeeper / Venture Deeper
4 Wall of Lost Thoughts
4 Drowned Secrets
2 Enter the God-Eternals
4 Vantress Gargoyle
4 Drown in the Loch
4 Ashiok, Dream Render
3 Murderous Rider / Swift End
4 Opt
3 Tyrant's Scorn
2 Castle Vantress
1 Castle Locthwain
8 Island
4 Fabled Passage
4 Watery Grave
5 Swamp

// Sideboard