Thalia and The Gitrog Monster + Royal Assassin + Thornbite Staff

Thalia and The Gitrog Monster
Royal Assassin
Thornbite Staff

Requires
All permanents on the battlefield. Royal Assassin does not have summoning sickness. Thornbite Staff attached to Royal Assassin.
Steps
  1. Whenever a creature enters the battlefield under an opponent's control, it enters tapped due to Thalia and the Gitrog Monster
  2. Holding priority, activate Royal Assassin by tapping it, destroying the creature
  3. When the creature dies, Royal Assassin triggers, untapping Royal Assassin
  4. Repeat
Results
Destroy all creatures that enter the battlefield under an opponent's control.

Top Commanders (1)
Thalia and The Gitrog Monster
0.42% of 7460 decks 31 decks
High Synergy Cards (10)
Ramunap Excavator
76% of 33 decks +72% synergy
Drana and Linvala
69% of 26 decks +67% synergy
Scute Swarm
70% of 33 decks +65% synergy
The Gitrog Monster
64% of 33 decks +63% synergy
Felidar Retreat
64% of 33 decks +60% synergy
Lotus Cobra
58% of 33 decks +54% synergy
Assassin's Trophy
58% of 33 decks +52% synergy
Exploration
48% of 33 decks +45% synergy
Swords to Plowshares
73% of 33 decks +45% synergy
Titania, Protector of Argoth
45% of 33 decks +44% synergy
Top Cards (10)
Conduit of Worlds
73% of 30 decks +70% synergy
Crucible of Worlds
58% of 33 decks +55% synergy
Eternal Witness
55% of 33 decks +44% synergy
Esper Sentinel
55% of 33 decks +44% synergy
Tireless Provisioner
48% of 33 decks +44% synergy
Birds of Paradise
48% of 33 decks +37% synergy
Azusa, Lost but Seeking
45% of 33 decks +42% synergy
Avacyn's Pilgrim
45% of 33 decks +42% synergy
Grand Abolisher
45% of 33 decks +42% synergy
Crop Rotation
45% of 33 decks +41% synergy
Creatures (50)
Braids, Arisen Nightmare
44% of 32 decks +39% synergy
Orcish Bowmasters
43% of 7 decks +34% synergy
Ancient Greenwarden
39% of 33 decks +37% synergy
Emeria Angel
36% of 33 decks +35% synergy
Sakura-Tribe Elder
36% of 33 decks +26% synergy
Sylvan Safekeeper
33% of 33 decks +32% synergy
Rampaging Baloths
33% of 33 decks +30% synergy
Dryad of the Ilysian Grove
33% of 33 decks +30% synergy
Dauthi Voidwalker
33% of 33 decks +28% synergy
Llanowar Elves
33% of 33 decks +23% synergy
Thalia, Heretic Cathar
30% of 33 decks +29% synergy
Thalia, Guardian of Thraben
30% of 33 decks +29% synergy
Tireless Tracker
30% of 33 decks +28% synergy
Deathrite Shaman
30% of 33 decks +27% synergy
Drannith Magistrate
30% of 33 decks +27% synergy
Knight of the Reliquary
27% of 33 decks +27% synergy
Ob Nixilis, the Fallen
27% of 33 decks +27% synergy
Collector Ouphe
27% of 33 decks +26% synergy
Courser of Kruphix
27% of 33 decks +25% synergy
Avenger of Zendikar
27% of 33 decks +22% synergy
Witherbloom Apprentice
24% of 33 decks +24% synergy
Maja, Bretagard Protector
24% of 33 decks +23% synergy
Kodama of the East Tree
24% of 33 decks +22% synergy
Augur of Autumn
24% of 33 decks +22% synergy
Aven Mindcensor
24% of 33 decks +21% synergy
Opposition Agent
24% of 33 decks +20% synergy
Zulaport Cutthroat
24% of 33 decks +18% synergy
Solemn Simulacrum
24% of 33 decks +9% synergy
Greensleeves, Maro-Sorcerer
22% of 32 decks +21% synergy
Elas il-Kor, Sadistic Pilgrim
22% of 32 decks +19% synergy
Emeria Shepherd
21% of 33 decks +20% synergy
Archon of Emeria
21% of 33 decks +20% synergy
Karmic Guide
21% of 33 decks +19% synergy
Oracle of Mul Daya
21% of 33 decks +18% synergy
Elves of Deep Shadow
21% of 33 decks +18% synergy
Elesh Norn, Grand Cenobite
21% of 33 decks +18% synergy
Blood Artist
21% of 33 decks +15% synergy
Elesh Norn, Mother of Machines
20% of 30 decks +17% synergy
Perennial Behemoth
19% of 31 decks +18% synergy
Yasharn, Implacable Earth
18% of 33 decks +17% synergy
Linvala, Keeper of Silence
18% of 33 decks +17% synergy
World Shaper
18% of 33 decks +17% synergy
Viscera Seer
18% of 33 decks +12% synergy
Titania, Voice of Gaea
17% of 30 decks +16% synergy
Saffi Eriksdotter
15% of 33 decks +15% synergy
Bloodghast
15% of 33 decks +14% synergy
Eidolon of Rhetoric
15% of 33 decks +14% synergy
Pitiless Plunderer
15% of 33 decks +12% synergy
Bloom Tender
15% of 33 decks +11% synergy
Fyndhorn Elves
15% of 33 decks +8% synergy
Instants (19)
Path to Exile
42% of 33 decks +24% synergy
Anguished Unmaking
36% of 33 decks +31% synergy
Worldly Tutor
36% of 33 decks +30% synergy
Teferi's Protection
36% of 33 decks +27% synergy
Vampiric Tutor
36% of 33 decks +26% synergy
Heroic Intervention
36% of 33 decks +23% synergy
Beast Within
36% of 33 decks +17% synergy
Abrupt Decay
27% of 33 decks +25% synergy
Harrow
27% of 33 decks +22% synergy
Enlightened Tutor
24% of 33 decks +16% synergy
Generous Gift
24% of 33 decks +12% synergy
Surge of Salvation
24% of 17 decks +22% synergy
Eladamri's Call
21% of 33 decks +18% synergy
Roiling Regrowth
18% of 33 decks +16% synergy
Nature's Claim
15% of 33 decks +9% synergy
Putrefy
9% of 33 decks +5% synergy
Entomb
9% of 33 decks +5% synergy
Despark
9% of 33 decks +5% synergy
Deadly Rollick
9% of 33 decks +4% synergy
Sorceries (26)
Demonic Tutor
48% of 33 decks +36% synergy
Splendid Reclamation
39% of 33 decks +37% synergy
Farseek
39% of 33 decks +24% synergy
Cultivate
36% of 33 decks +14% synergy
Life from the Loam
33% of 33 decks +32% synergy
Nature's Lore
33% of 33 decks +20% synergy
Eerie Ultimatum
30% of 33 decks +29% synergy
Three Visits
27% of 33 decks +16% synergy
Chain of Smog
24% of 33 decks +24% synergy
Farewell
24% of 33 decks +17% synergy
Toxic Deluge
24% of 33 decks +16% synergy
Armageddon
21% of 33 decks +21% synergy
Kodama's Reach
21% of 33 decks +6% synergy
Wrath of God
18% of 33 decks +15% synergy
Damn
18% of 33 decks +14% synergy
Bala Ged Recovery
15% of 33 decks +10% synergy
Reanimate
15% of 33 decks +8% synergy
Rampant Growth
15% of 33 decks -1% synergy
Sylvan Scrying
12% of 33 decks +11% synergy
Imperial Seal
12% of 33 decks +9% synergy
Explore
12% of 33 decks +8% synergy
Diabolic Intent
12% of 33 decks +8% synergy
Austere Command
12% of 33 decks +6% synergy
Scapeshift
9% of 33 decks +8% synergy
Night's Whisper
9% of 33 decks +4% synergy
Damnation
9% of 33 decks +4% synergy
Utility Artifacts (11)
Lightning Greaves
39% of 33 decks +14% synergy
Swiftfoot Boots
30% of 33 decks +2% synergy
Altar of Dementia
18% of 33 decks +15% synergy
Expedition Map
15% of 33 decks +11% synergy
Skullclamp
15% of 33 decks +2% synergy
Zuran Orb
12% of 33 decks +11% synergy
Ashnod's Altar
12% of 33 decks +4% synergy
Seer's Sundial
9% of 33 decks +8% synergy
Horn of Greed
9% of 33 decks +8% synergy
Phyrexian Altar
9% of 33 decks +5% synergy
Bolas's Citadel
9% of 33 decks +3% synergy
Enchantments (18)
Smothering Tithe
33% of 33 decks +21% synergy
Retreat to Hagra
30% of 33 decks +30% synergy
Deafening Silence
24% of 33 decks +23% synergy
Authority of the Consuls
24% of 33 decks +22% synergy
Blind Obedience
24% of 33 decks +21% synergy
Sylvan Library
24% of 33 decks +18% synergy
Retreat to Emeria
18% of 33 decks +18% synergy
Rule of Law
18% of 33 decks +17% synergy
Druid Class
18% of 33 decks +17% synergy
Nature's Revolt
15% of 33 decks +15% synergy
Aura of Silence
15% of 33 decks +14% synergy
Moldervine Reclamation
12% of 33 decks +10% synergy
Skrelv's Hive
10% of 30 decks +8% synergy
Perilous Forays
9% of 33 decks +9% synergy
Zendikar's Roil
9% of 33 decks +8% synergy
Carpet of Flowers
9% of 33 decks +7% synergy
Land Tax
9% of 33 decks +6% synergy
Ghostly Prison
9% of 33 decks +3% synergy
Battles (1)
Invasion of Ikoria
21% of 14 decks +18% synergy
Planeswalkers (2)
Wrenn and Realmbreaker
37% of 19 decks +35% synergy
Nissa of Shadowed Boughs
21% of 33 decks +21% synergy
Utility Lands (25)
Yavimaya, Cradle of Growth
45% of 33 decks +36% synergy
Boseiju, Who Endures
45% of 33 decks +36% synergy
Urborg, Tomb of Yawgmoth
45% of 33 decks +35% synergy
Field of the Dead
42% of 33 decks +39% synergy
Bojuka Bog
42% of 33 decks +26% synergy
Strip Mine
33% of 33 decks +30% synergy
Dakmor Salvage
21% of 33 decks +20% synergy
Wasteland
21% of 33 decks +20% synergy
Maze of Ith
21% of 33 decks +19% synergy
Takenuma, Abandoned Mire
21% of 33 decks +15% synergy
Urza's Saga
21% of 33 decks +14% synergy
Eiganjo, Seat of the Empire
18% of 33 decks +13% synergy
Ancient Tomb
18% of 33 decks +7% synergy
Cabal Coffers
15% of 33 decks +9% synergy
Reliquary Tower
15% of 33 decks -12% synergy
Argoth, Sanctum of Nature
13% of 30 decks +12% synergy
Glacial Chasm
12% of 33 decks +11% synergy
Dark Depths
12% of 33 decks +11% synergy
Lotus Field
12% of 33 decks +11% synergy
Thespian's Stage
12% of 33 decks +9% synergy
Drownyard Temple
9% of 33 decks +8% synergy
Guildless Commons
9% of 33 decks +8% synergy
Dryad Arbor
9% of 33 decks +7% synergy
Phyrexian Tower
9% of 33 decks +5% synergy
Rogue's Passage
9% of 33 decks -9% synergy
Mana Artifacts (10)
Sol Ring
73% of 33 decks -11% synergy
Arcane Signet
61% of 33 decks -9% synergy
Mana Crypt
24% of 33 decks +13% synergy
Fellwar Stone
15% of 33 decks -5% synergy
Chrome Mox
12% of 33 decks +5% synergy
Selesnya Signet
9% of 33 decks +7% synergy
Lotus Petal
9% of 33 decks +3% synergy
Jeweled Lotus
9% of 33 decks +1% synergy
Chromatic Lantern
9% of 33 decks -0% synergy
Mind Stone
9% of 33 decks -10% synergy
Lands (50)
Command Tower
82% of 33 decks +10% synergy
Godless Shrine
67% of 33 decks +57% synergy
Temple Garden
64% of 33 decks +55% synergy
Overgrown Tomb
64% of 33 decks +54% synergy
Indatha Triome
61% of 33 decks +57% synergy
Verdant Catacombs
55% of 33 decks +43% synergy
Windswept Heath
55% of 33 decks +44% synergy
Marsh Flats
52% of 33 decks +39% synergy
Bountiful Promenade
52% of 33 decks +46% synergy
Vault of Champions
42% of 33 decks +37% synergy
Undergrowth Stadium
39% of 33 decks +34% synergy
Orzhov Basilica
33% of 33 decks +30% synergy
Golgari Rot Farm
33% of 33 decks +29% synergy
Terramorphic Expanse
33% of 33 decks +17% synergy
Exotic Orchard
33% of 33 decks -0% synergy
Evolving Wilds
30% of 33 decks +8% synergy
Savannah
27% of 33 decks +24% synergy
Bayou
27% of 33 decks +24% synergy
Scrubland
27% of 33 decks +24% synergy
Sandsteppe Citadel
24% of 33 decks +21% synergy
Selesnya Sanctuary
24% of 33 decks +21% synergy
Woodland Cemetery
24% of 33 decks +19% synergy
Canopy Vista
24% of 33 decks +17% synergy
Arid Mesa
24% of 33 decks +13% synergy
Flagstones of Trokair
21% of 33 decks +20% synergy
Isolated Chapel
21% of 33 decks +16% synergy
Wooded Foothills
21% of 33 decks +11% synergy
Bloodstained Mire
21% of 33 decks +11% synergy
Fabled Passage
21% of 33 decks +11% synergy
Misty Rainforest
21% of 33 decks +9% synergy
Myriad Landscape
21% of 33 decks -0% synergy
Sunpetal Grove
18% of 33 decks +14% synergy
Polluted Delta
18% of 33 decks +7% synergy
Deathcap Glade
15% of 33 decks +12% synergy
Overgrown Farmland
15% of 33 decks +12% synergy
Flooded Strand
15% of 33 decks +5% synergy
Horizon Canopy
12% of 33 decks +11% synergy
Nurturing Peatland
12% of 33 decks +11% synergy
Obscura Storefront
12% of 33 decks +10% synergy
Gemstone Caverns
12% of 33 decks +7% synergy
Llanowar Wastes
12% of 33 decks +7% synergy
Caves of Koilos
12% of 33 decks +6% synergy
Prismatic Vista
12% of 33 decks +6% synergy
Plaza of Heroes
9% of 32 decks +5% synergy
Silent Clearing
9% of 33 decks +8% synergy
Brokers Hideout
9% of 33 decks +7% synergy
Cabaretti Courtyard
9% of 33 decks +7% synergy
Krosan Verge
9% of 33 decks +6% synergy
Shattered Sanctum
9% of 33 decks +5% synergy
Mana Confluence
9% of 33 decks +1% synergy