4 Consider
1 Memory Deluge
1 Power Word Kill
1 Hall of Storm Giants
1 Baleful Mastery
3 Clearwater Pathway
4 Shark Typhoon
2 Extinction Event
1 Heartless Act
1 Cling to Dust
2 Drown in the Loch
1 Castle Locthwain
3 Fabled Passage
1 Mystical Dispute
1 Narset, Parter of Veils
2 Sinister Sabotage
3 Field of Ruin
2 Fetid Pools
3 Censor
4 Fatal Push
2 Torrential Gearhulk
3 Dig Through Time
2 Drowned Catacomb
2 Negate
4 Watery Grave
2 Swamp
4 Island

Sideboard
1 Graveyard Trespasser
1 Memory Deluge
2 Go Blank
1 Cling to Dust
3 Mystical Dispute
2 Aether Gust
1 Narset's Reversal
1 Narset, Parter of Veils
2 Kalitas, Traitor of Ghet
1 Languish