Deck Filters Nico Minoru, Runaway 4.3%inclusion 4%synergy 27 decks 634 decks Dark Fortress 2.7%inclusion -1%synergy 19 decks 702 decks Hex Magic 2.6%inclusion 2%synergy 17 decks 660 decks Thor, God of Thunder 1.7%inclusion 1%synergy 12 decks 719 decks Wanda's Vision 1.3%inclusion 1%synergy 8 decks 634 decks High Synergy Cards Keeper of Secrets 64%inclusion 62%synergy 4.16K decks 6.48K decks Loyal Subordinate 52%inclusion 51%synergy 3.40K decks 6.48K decks Brainstorm 66%inclusion 49%synergy 4.28K decks 6.48K decks The Lost and the Damned 49%inclusion 48%synergy 3.17K decks 6.48K decks Blood for the Blood God
Wizards of the Coast has been doing a lot in recent sets to give white good ways to close out Commander games and maintain its identity as the de facto go-wide aggro color
Grixis Shadow 4 Deaths Shadow 4 Gurmag Angler 4 Scourge of the Skyclaves 4 Street Wraith 1 Agadeems Awakening 2 Dismember 2 Fatal Push 2 Inquisition of Kozilek 4 Lightning Bolt 4 Mishras Bauble 3 Stubborn Denial 2 Temur Battle Rage 4 Thought Scour 4 Thoughtseize 2 Blood Crypt 2 Bloodstained Mire 1 Snow-Covered Island 4 Polluted Delta 3 Scalding Tarn 1 Steam Vents 1 Snow-Covered Swamp 2 Watery Grave SIDEBOARD 1 Stubborn Denial 2 Kolaghans Command 1 Go for the Throat 1 Fatal Push 2 Aether Gust 2 Collective Brutality 2 Nihil Spellbomb 1 Plague Engineer 1 Snapcaster Mage 1 Mystical Dispute 1 Ceremonious Rejection Historically, one of the weaknesses of Grixis Deaths Shadow has been threat density
Flatline is more casual and can make combat perilous for your opponents
Devouring Sugarmaw Its not clear if Devouring Sugarmaw will see play or not, but I like its chances especially given that its got adventure
Top 5 White Common/Uncommons: Parting Gust Its a straight up exile effect in mono white that can also double as a flicker to save your thing/buy back an EtB