Maha, Its Feathers Night + Crovax, Ascendant Hero

Maha, Its Feathers Night
Crovax, Ascendant Hero

Requires
Maha, Its Feathers Night must be on the battlefield. Crovax, Ascendant Hero must be on the battlefield.
Steps
  1. All nonwhite creatures your opponents control will have base toughness 0, and die as a state-based action due to having 0 toughness unless there is another effect increasing its toughness.
  2. Whenever a nonwhite creature enters the battlefield under an opponent's control, it will have base toughness 0, and die as a state-based action due to having 0 toughness unless there is another effect increasing its toughness.
Results
Reduce each nonwhite opposing creature's toughness to zero. Nonwhite creatures opponents control die upon entering the battlefield.

Gilanra, Caller of Wirewood // Ravos, Soultender
2.33% of 43 decks 1 decks
Kamahl, Heart of Krosa // Ravos, Soultender
0.81% of 123 decks 1 decks
Arvad the Cursed
0.57% of 175 decks 1 decks
Ravos, Soultender // Thrasios, Triton Hero
0.26% of 387 decks 1 decks
Neyam Shai Murad
0.24% of 421 decks 1 decks
Teysa, Envoy of Ghosts
0.17% of 584 decks 1 decks
Ravos, Soultender // Tana, the Bloodsower
0.14% of 715 decks 1 decks
Cecily, Haunted Mage // Sophina, Spearsage Deserter
0.13% of 776 decks 1 decks
Shadrix Silverquill
0.05% of 2158 decks 1 decks
Sisay, Weatherlight Captain
0.01% of 11635 decks 1 decks
Isshin, Two Heavens as One
0.01% of 19411 decks 1 decks
High Synergy Cards
Elesh Norn, Grand Cenobite
100% of 11 decks +97% synergy
Mirari's Wake
100% of 5 decks +97% synergy
Kaervek, the Spiteful
91% of 11 decks +91% synergy
Night of Souls' Betrayal
82% of 11 decks +82% synergy
Ethereal Absolution
82% of 11 decks +82% synergy
Kudo, King Among Bears
80% of 5 decks +80% synergy
Ascendant Evincar
73% of 11 decks +73% synergy
Top Cards
Massacre Wurm
55% of 11 decks +52% synergy
Anguished Unmaking
55% of 11 decks +49% synergy
Swords to Plowshares
55% of 11 decks +26% synergy
Mind Stone
45% of 11 decks +28% synergy
Path to Exile
45% of 11 decks +25% synergy
Despark
36% of 11 decks +33% synergy
Phyrexian Arena
36% of 11 decks +29% synergy
Toxic Deluge
36% of 11 decks +28% synergy
Creatures
Creakwood Liege
60% of 5 decks +60% synergy
Thunderfoot Baloth
60% of 5 decks +59% synergy
Plague Engineer
27% of 11 decks +27% synergy
Deathbringer Liege
27% of 11 decks +27% synergy
Massacre Girl
27% of 11 decks +26% synergy
Massacre Girl, Known Killer
27% of 11 decks +26% synergy
Drana and Linvala
27% of 11 decks +26% synergy
Morbid Opportunist
27% of 11 decks +25% synergy
Blood Artist
27% of 11 decks +21% synergy
Instants
Vampiric Tutor
45% of 11 decks +36% synergy
Zealous Persecution
27% of 11 decks +27% synergy
Sorceries
Demonic Tutor
45% of 11 decks +34% synergy
Black Sun's Zenith
27% of 11 decks +26% synergy
Damn
27% of 11 decks +23% synergy
Night's Whisper
27% of 11 decks +23% synergy
Utility Artifacts
Spear of Heliod
27% of 11 decks +27% synergy
Enchantments
Nature's Revolt
60% of 5 decks +60% synergy
Beastmaster Ascension
60% of 5 decks +57% synergy
Commander's Insignia
27% of 11 decks +27% synergy
Always Watching
27% of 11 decks +27% synergy
Dictate of Heliod
27% of 11 decks +27% synergy
Flowering of the White Tree
27% of 11 decks +24% synergy
Smothering Tithe
27% of 11 decks +16% synergy
Utility Lands
Gavony Township
60% of 5 decks +58% synergy
Urborg, Tomb of Yawgmoth
55% of 11 decks +44% synergy
Yavimaya, Cradle of Growth
36% of 11 decks +27% synergy
Bojuka Bog
36% of 11 decks +21% synergy
Eiganjo, Seat of the Empire
27% of 11 decks +23% synergy
Reliquary Tower
27% of 11 decks -2% synergy
Mana Artifacts
Arcane Signet
100% of 11 decks +28% synergy
Sol Ring
100% of 11 decks +15% synergy
Orzhov Signet
55% of 11 decks +48% synergy
Talisman of Hierarchy
45% of 11 decks +40% synergy
Chromatic Lantern
36% of 11 decks +27% synergy
Fellwar Stone
36% of 11 decks +15% synergy
Mana Crypt
27% of 11 decks +16% synergy
Lands
Command Tower
100% of 11 decks +26% synergy
Sacred Foundry
75% of 4 decks +67% synergy
Blood Crypt
75% of 4 decks +66% synergy
Godless Shrine
64% of 11 decks +54% synergy
Temple Garden
60% of 5 decks +51% synergy
Overgrown Tomb
60% of 5 decks +51% synergy
Isolated Chapel
55% of 11 decks +48% synergy
Exotic Orchard
45% of 11 decks +10% synergy
Shineshadow Snarl
36% of 11 decks +34% synergy
Marsh Flats
36% of 11 decks +25% synergy
Brightclimb Pathway
27% of 11 decks +25% synergy
Tainted Field
27% of 11 decks +24% synergy
Caves of Koilos
27% of 11 decks +21% synergy
Mana Confluence
27% of 11 decks +20% synergy
Windswept Heath
27% of 11 decks +17% synergy
Verdant Catacombs
27% of 11 decks +16% synergy