3 Cinder Barrens
1 Detection Tower
2 Dimir Guildgate
1 Dragonskull Summit
2 Drowned Catacomb
1 Island
4 Steam Vents
2 Submerged Boneyard
3 Sulfur Falls
4 Swamp
2 Watery Grave
2 Cast Down
1 Chemister's Insight
2 Discovery // Dispersal
2 Disinformation Campaign
2 Golden Demise
1 Mission Briefing
2 Moment of Craving
1 Nezahal, Primal Tide
3 Nicol Bolas, the Ravager // Nicol Bolas, the Arisen
2 Plaguecrafter
1 Ral, Izzet Viceroy
2 Ritual of Soot
1 Search for Azcanta // Azcanta, the Sunken Ruin
4 Sinister Sabotage
1 Syncopate
2 The Eldest Reborn
4 Thought Erasure
1 Unmoored Ego
1 Vraska's Contempt
Sideboard:
3 Dragonskull Summit
2 Drowned Catacomb
1 Search for Azcanta // Azcanta, the Sunken Ruin
2 Vraska's Contempt
2 Watery Grave