Grave Danger Upgrades for Narfi, Betrayer King

Ice Tunnel
75% of 4 decks +69% synergy
Port of Karfell
50% of 4 decks +42% synergy
Morphic Pool
25% of 4 decks -13% synergy
Path of Ancestry
25% of 4 decks -4% synergy
Barren Moor
25% of 4 decks +22% synergy
Darkwater Catacombs
25% of 4 decks -16% synergy
Dimir Aqueduct
25% of 4 decks -16% synergy
Dimir Guildgate
25% of 4 decks +18% synergy
Lonely Sandbar
25% of 4 decks +22% synergy
Myriad Landscape
25% of 4 decks -1% synergy
Terramorphic Expanse
25% of 4 decks +13% synergy
Shimmerdrift Vale
25% of 4 decks +25% synergy
Evolving Wilds
25% of 4 decks +8% synergy
Cards to Cut
Overseer of the Damned
Cut from 100% of decks
Spark Reaper
Cut from 100% of decks
Cruel Revival
Cut from 75% of decks
Deep Analysis
Cut from 75% of decks
Geralf's Mindcrusher
Cut from 75% of decks
Lazotep Reaver
Cut from 75% of decks
Lotleth Giant
Cut from 75% of decks
Syphon Flesh
Cut from 75% of decks
Unstable Obelisk
Cut from 75% of decks
Vampiric Rites
Cut from 75% of decks
Vela the Night-Clad
Cut from 75% of decks
Laboratory Drudge
Cut from 75% of decks
Dimir Signet
Cut from 50% of decks
Mire Triton
Cut from 50% of decks
Withered Wretch
Cut from 50% of decks
Enter the God-Eternals
Cut from 50% of decks
Arcane Signet
Cut from 25% of decks
Commander's Sphere
Cut from 25% of decks
Gravespawn Sovereign
Cut from 25% of decks
Heraldic Banner
Cut from 25% of decks
Liliana, Untouched by Death
Cut from 25% of decks
Lands to Cut
Jwar Isle Refuge
Cut from 50% of decks
Salt Marsh
Cut from 50% of decks
Submerged Boneyard
Cut from 50% of decks
Command Tower
Cut from 25% of decks
Island
Cut from 25% of decks
Swamp
Cut from 25% of decks
Temple of Deceit
Cut from 25% of decks
Choked Estuary
Cut from 25% of decks