Thalia and The Gitrog Monster + Royal Assassin + Thornbite Staff

Thalia and The Gitrog Monster
Royal Assassin
Thornbite Staff

Requires
Thalia and The Gitrog Monster must be on the battlefield. Royal Assassin must be on the battlefield. Thornbite Staff must be 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.

Thalia and The Gitrog Monster
0.34% of 12932 decks 44 decks
Kodama of the East Tree // Ravos, Soultender
0.36% of 280 decks 1 decks
Kenrith, the Returned King
0.00% of 21866 decks 1 decks
Codie, Vociferous Codex
0.02% of 5693 decks 1 decks
High Synergy Cards
Ramunap Excavator
72% of 47 decks +66% synergy
Conduit of Worlds
66% of 44 decks +59% synergy
Scute Swarm
66% of 47 decks +56% synergy
Felidar Retreat
62% of 47 decks +55% synergy
Drana and Linvala
60% of 40 decks +54% synergy
The Gitrog Monster
57% of 47 decks +52% synergy
Crucible of Worlds
51% of 47 decks +48% synergy
Lotus Cobra
53% of 47 decks +46% synergy
Titania, Protector of Argoth
45% of 47 decks +42% synergy
Grand Abolisher
47% of 47 decks +38% synergy
Top Cards
Swords to Plowshares
68% of 47 decks +5% synergy
Assassin's Trophy
55% of 47 decks +25% synergy
Eternal Witness
51% of 47 decks +30% synergy
Tireless Provisioner
49% of 47 decks +38% synergy
Esper Sentinel
49% of 47 decks +28% synergy
Birds of Paradise
47% of 47 decks +20% synergy
Cultivate
45% of 47 decks -1% synergy
Braids, Arisen Nightmare
43% of 46 decks +36% synergy
Path to Exile
43% of 47 decks -3% synergy
Azusa, Lost but Seeking
40% of 47 decks +33% synergy
Creatures
Avacyn's Pilgrim
40% of 47 decks +26% synergy
Ancient Greenwarden
32% of 47 decks +28% synergy
Drannith Magistrate
32% of 47 decks +25% synergy
Sakura-Tribe Elder
32% of 47 decks +13% synergy
Llanowar Elves
32% of 47 decks +11% synergy
Aven Interrupter
31% of 13 decks +28% synergy
The Necrobloom
30% of 10 decks +27% synergy
Sylvan Safekeeper
30% of 47 decks +27% synergy
Rampaging Baloths
30% of 47 decks +23% synergy
Opposition Agent
30% of 47 decks +23% synergy
Dauthi Voidwalker
30% of 47 decks +22% synergy
Ob Nixilis, the Fallen
28% of 47 decks +26% synergy
Emeria Angel
28% of 47 decks +26% synergy
Aven Mindcensor
28% of 47 decks +23% synergy
Tireless Tracker
28% of 47 decks +23% synergy
Dryad of the Ilysian Grove
28% of 47 decks +20% synergy
Kodama of the East Tree
26% of 47 decks +22% synergy
Elesh Norn, Grand Cenobite
26% of 47 decks +20% synergy
Avenger of Zendikar
26% of 47 decks +16% synergy
Witherbloom Apprentice
23% of 47 decks +21% synergy
Archon of Emeria
23% of 47 decks +21% synergy
Collector Ouphe
23% of 47 decks +21% synergy
Thalia, Guardian of Thraben
23% of 47 decks +21% synergy
Augur of Autumn
23% of 47 decks +20% synergy
Maja, Bretagard Protector
23% of 47 decks +20% synergy
Deathrite Shaman
23% of 47 decks +11% synergy
Solemn Simulacrum
23% of 47 decks +9% synergy
Greensleeves, Maro-Sorcerer
22% of 46 decks +20% synergy
Elas il-Kor, Sadistic Pilgrim
22% of 46 decks +10% synergy
Dauntless Dismantler
21% of 14 decks +18% synergy
Kutzil, Malamet Exemplar
21% of 14 decks +2% synergy
Emeria Shepherd
21% of 47 decks +19% synergy
Thalia, Heretic Cathar
21% of 47 decks +19% synergy
Boromir, Warden of the Tower
20% of 25 decks +14% synergy
Delighted Halfling
20% of 25 decks +6% synergy
Knight of the Reliquary
19% of 47 decks +17% synergy
Viscera Seer
19% of 47 decks +10% synergy
Zulaport Cutthroat
19% of 47 decks +9% synergy
Elves of Deep Shadow
19% of 47 decks +8% synergy
Elesh Norn, Mother of Machines
18% of 44 decks +13% synergy
Eidolon of Rhetoric
17% of 47 decks +15% synergy
Yasharn, Implacable Earth
17% of 47 decks +14% synergy
Courser of Kruphix
17% of 47 decks +13% synergy
Karmic Guide
17% of 47 decks +12% synergy
Oracle of Mul Daya
17% of 47 decks +11% synergy
Fyndhorn Elves
17% of 47 decks +4% synergy
Sigarda, Font of Blessings
16% of 25 decks +13% synergy
Orcish Bowmasters
16% of 25 decks +5% synergy
Perennial Behemoth
16% of 45 decks +14% synergy
Saffi Eriksdotter
15% of 47 decks +13% synergy
Instants
Worldly Tutor
38% of 47 decks +24% synergy
Heroic Intervention
36% of 47 decks +6% synergy
Vampiric Tutor
34% of 47 decks +16% synergy
Teferi's Protection
34% of 47 decks +14% synergy
Anguished Unmaking
34% of 47 decks +10% synergy
Beast Within
34% of 47 decks -4% synergy
Crop Rotation
30% of 47 decks +20% synergy
Entish Restoration
26% of 19 decks +18% synergy
Harrow
23% of 47 decks +14% synergy
Abrupt Decay
23% of 47 decks +13% synergy
Enlightened Tutor
23% of 47 decks +6% synergy
Eladamri's Call
21% of 47 decks +10% synergy
Generous Gift
21% of 47 decks -4% synergy
Stroke of Midnight
21% of 19 decks +9% synergy
Putrefy
15% of 47 decks -1% synergy
Surge of Salvation
13% of 31 decks +11% synergy
Roiling Regrowth
13% of 47 decks +10% synergy
Veil of Summer
13% of 47 decks +7% synergy
Deadly Rollick
13% of 47 decks +2% synergy
Despark
13% of 47 decks -3% synergy
Constant Mists
9% of 47 decks +7% synergy
Entomb
9% of 47 decks +1% synergy
Nature's Claim
9% of 47 decks -1% synergy
Tear Asunder
7% of 46 decks +0% synergy
Soul Shatter
6% of 47 decks +4% synergy
Silence
6% of 47 decks -0% synergy
Akroma's Will
6% of 47 decks -3% synergy
Flawless Maneuver
6% of 47 decks -4% synergy
Sorceries
Demonic Tutor
45% of 47 decks +23% synergy
Splendid Reclamation
38% of 47 decks +35% synergy
Farseek
38% of 47 decks +4% synergy
Nature's Lore
34% of 47 decks +2% synergy
Eerie Ultimatum
30% of 47 decks +17% synergy
Kodama's Reach
28% of 47 decks -4% synergy
Rampant Growth
28% of 47 decks -7% synergy
Chain of Smog
23% of 47 decks +22% synergy
Life from the Loam
23% of 47 decks +20% synergy
Damn
23% of 47 decks +7% synergy
Toxic Deluge
21% of 47 decks +4% synergy
Farewell
19% of 47 decks +6% synergy
Three Visits
19% of 47 decks -6% synergy
Armageddon
17% of 47 decks +16% synergy
Reanimate
17% of 47 decks +1% synergy
Wrath of God
13% of 47 decks +6% synergy
Explore
13% of 47 decks +4% synergy
Diabolic Intent
11% of 47 decks +2% synergy
Bala Ged Recovery
11% of 47 decks +2% synergy
Winds of Abandon
9% of 47 decks +6% synergy
Sylvan Scrying
9% of 47 decks +6% synergy
Imperial Seal
9% of 47 decks +3% synergy
Green Sun's Zenith
9% of 47 decks +2% synergy
Damnation
9% of 47 decks +1% synergy
Night's Whisper
9% of 47 decks -1% synergy
Culling Ritual
9% of 47 decks -3% synergy
Victimize
9% of 47 decks -3% synergy
Austere Command
9% of 47 decks -4% synergy
Scapeshift
6% of 47 decks +4% synergy
Dig Up
6% of 47 decks +4% synergy
Vanquish the Horde
6% of 47 decks +3% synergy
Torment of Hailfire
6% of 47 decks +2% synergy
Finale of Devastation
6% of 47 decks -2% synergy
Utility Artifacts
Lightning Greaves
36% of 47 decks +11% synergy
Swiftfoot Boots
21% of 47 decks -7% synergy
Ashnod's Altar
17% of 47 decks +10% synergy
Altar of Dementia
13% of 47 decks +10% synergy
Skullclamp
11% of 47 decks -2% synergy
Torpor Orb
9% of 47 decks +8% synergy
Zuran Orb
9% of 47 decks +7% synergy
Expedition Map
9% of 47 decks +5% synergy
Phyrexian Altar
9% of 47 decks +5% synergy
Norn's Wellspring
7% of 44 decks +6% synergy
Seer's Sundial
6% of 47 decks +6% synergy
Horn of Greed
6% of 47 decks +6% synergy
Defense Grid
6% of 47 decks +5% synergy
Bolas's Citadel
6% of 47 decks -3% synergy
Enchantments
Exploration
38% of 47 decks +30% synergy
Retreat to Hagra
30% of 47 decks +28% synergy
Blind Obedience
28% of 47 decks +21% synergy
Smothering Tithe
28% of 47 decks +3% synergy
Deafening Silence
26% of 47 decks +23% synergy
Rule of Law
19% of 47 decks +18% synergy
Authority of the Consuls
19% of 47 decks +15% synergy
Sylvan Library
17% of 47 decks +5% synergy
Druid Class
15% of 47 decks +12% synergy
Nature's Revolt
13% of 47 decks +13% synergy
Retreat to Emeria
13% of 47 decks +12% synergy
Skrelv's Hive
11% of 44 decks +8% synergy
Aura of Silence
11% of 47 decks +8% synergy
Zendikar's Roil
11% of 47 decks +8% synergy
Phyrexian Arena
11% of 47 decks -4% synergy
Perilous Forays
9% of 47 decks +8% synergy
Retreat to Kazandu
9% of 47 decks +7% synergy
Bitterblossom
9% of 47 decks +4% synergy
Land Tax
9% of 47 decks +2% synergy
Moldervine Reclamation
9% of 47 decks -1% synergy
Ghostly Prison
9% of 47 decks -3% synergy
Lure
6% of 47 decks +6% synergy
Asceticism
6% of 47 decks +4% synergy
Journey to Eternity
6% of 47 decks +3% synergy
Burgeoning
6% of 47 decks +3% synergy
Guardian Project
6% of 47 decks -2% synergy
Aura Shards
6% of 47 decks -3% synergy
Mirari's Wake
6% of 47 decks -7% synergy
Battles
Invasion of Ikoria
14% of 29 decks +9% synergy
Planeswalkers
Wrenn and Realmbreaker
27% of 33 decks +25% synergy
Nissa of Shadowed Boughs
19% of 47 decks +17% synergy
Wrenn and Seven
6% of 47 decks +4% synergy
Utility Lands
Yavimaya, Cradle of Growth
40% of 47 decks +31% synergy
Bojuka Bog
38% of 47 decks +8% synergy
Urborg, Tomb of Yawgmoth
34% of 47 decks +24% synergy
Strip Mine
32% of 47 decks +29% synergy
Field of the Dead
32% of 47 decks +29% synergy
Boseiju, Who Endures
32% of 47 decks +12% synergy
Maze of Ith
21% of 47 decks +18% synergy
Reliquary Tower
21% of 47 decks -8% synergy
Glacial Chasm
19% of 47 decks +18% synergy
Wasteland
19% of 47 decks +18% synergy
Eiganjo, Seat of the Empire
17% of 47 decks +8% synergy
Ancient Tomb
17% of 47 decks +7% synergy
Takenuma, Abandoned Mire
17% of 47 decks +7% synergy
Lotus Field
15% of 47 decks +14% synergy
Argoth, Sanctum of Nature
13% of 45 decks +11% synergy
Dakmor Salvage
13% of 47 decks +11% synergy
Urza's Saga
13% of 47 decks +6% synergy
Dark Depths
11% of 47 decks +9% synergy
Thespian's Stage
11% of 47 decks +8% synergy
Cabal Coffers
11% of 47 decks -0% synergy
Dryad Arbor
9% of 47 decks +4% synergy
Rogue's Passage
9% of 47 decks -11% synergy
Drownyard Temple
6% of 47 decks +6% synergy
Guildless Commons
6% of 47 decks +5% synergy
Command Beacon
6% of 47 decks +2% synergy
Phyrexian Tower
6% of 47 decks -2% synergy
Mana Artifacts
Sol Ring
72% of 47 decks -12% synergy
Arcane Signet
55% of 47 decks -17% synergy
Mana Crypt
17% of 47 decks +9% synergy
Fellwar Stone
15% of 47 decks -6% synergy
Chrome Mox
11% of 47 decks +4% synergy
Lotus Petal
11% of 47 decks +4% synergy
Chromatic Lantern
9% of 47 decks -1% synergy
Mind Stone
9% of 47 decks -9% synergy
Jeweled Lotus
6% of 47 decks +1% synergy
Talisman of Unity
6% of 47 decks -1% synergy
Selesnya Signet
6% of 47 decks -2% synergy
Talisman of Resilience
6% of 47 decks -5% synergy
Lands
Command Tower
85% of 47 decks +11% synergy
Godless Shrine
62% of 47 decks +21% synergy
Indatha Triome
60% of 47 decks +29% synergy
Temple Garden
55% of 47 decks +15% synergy
Overgrown Tomb
55% of 47 decks +13% synergy
Windswept Heath
47% of 47 decks +36% synergy
Marsh Flats
45% of 47 decks +33% synergy
Bountiful Promenade
45% of 47 decks +20% synergy
Verdant Catacombs
43% of 47 decks +31% synergy
Vault of Champions
40% of 47 decks +15% synergy
Undergrowth Stadium
40% of 47 decks +14% synergy
Terramorphic Expanse
38% of 47 decks +23% synergy
Golgari Rot Farm
38% of 47 decks +20% synergy
Exotic Orchard
38% of 47 decks +3% synergy
Orzhov Basilica
36% of 47 decks +20% synergy
Evolving Wilds
36% of 47 decks +15% synergy
Selesnya Sanctuary
32% of 47 decks +18% synergy
Sandsteppe Citadel
30% of 47 decks +4% synergy
Shadowy Backstreet
29% of 14 decks +15% synergy
Fabled Passage
26% of 47 decks +16% synergy
Canopy Vista
26% of 47 decks -11% synergy
Woodland Cemetery
23% of 47 decks -5% synergy
Savannah
19% of 47 decks +6% synergy
Bayou
19% of 47 decks +6% synergy
Myriad Landscape
19% of 47 decks -0% synergy
Flagstones of Trokair
17% of 47 decks +15% synergy
Scrubland
17% of 47 decks +3% synergy
Overgrown Farmland
17% of 47 decks +1% synergy
Arid Mesa
15% of 47 decks +4% synergy
Deathcap Glade
15% of 47 decks +1% synergy
Isolated Chapel
15% of 47 decks -13% synergy
Caves of Koilos
15% of 47 decks -13% synergy
Shattered Sanctum
13% of 47 decks -1% synergy
Sunpetal Grove
13% of 47 decks -11% synergy
Llanowar Wastes
13% of 47 decks -13% synergy
Mana Confluence
11% of 47 decks +3% synergy
Wooded Foothills
11% of 47 decks +0% synergy
Bloodstained Mire
11% of 47 decks +0% synergy
Polluted Delta
11% of 47 decks -1% synergy
Misty Rainforest
11% of 47 decks -1% synergy
Obscura Storefront
9% of 47 decks +7% synergy
Krosan Verge
9% of 47 decks +6% synergy
Horizon Canopy
9% of 47 decks +4% synergy
Gemstone Caverns
9% of 47 decks +4% synergy
Prismatic Vista
9% of 47 decks +3% synergy
Nurturing Peatland
9% of 47 decks +3% synergy
City of Brass
9% of 47 decks +0% synergy
Brightclimb Pathway
9% of 47 decks -2% synergy
Flooded Strand
9% of 47 decks -2% synergy
Temple of Silence
9% of 47 decks -10% synergy