Shay Cormac + Agatha's Soul Cauldron + Walking Ballista

Shay Cormac
Agatha's Soul Cauldron
Walking Ballista

Requires
Shay Cormac must be on the battlefield. Agatha's Soul Cauldron must be on the battlefield. Walking Ballista must be in exile (exiled by Agatha's Soul Cauldron). Shay Cormac has at least one +1/+1 counter on it. You have a way to give Shay Cormac deathtouch.
Steps
  1. Give Shay Cormac deathtouch, if needed.
  2. Activate Shay Cormac using Walking Ballista's second ability by removing a +1/+1 counter from it, targeting a creature an opponent controls.
  3. Shay Cormac's first ability triggers, putting a bounty counter on the targeted creature.
  4. Resolve the Shay Cormac ability from step 2, dealing 1 damage to the creature and killing it due to Shay Cormac's deathtouch.
  5. When the creature dies, Shay Cormac's second ability triggers, putting two +1/+1 counters on it.
  6. Repeat from step 2.
  7. If the method giving Shay Cormac deathtouch lasts indefinitely, you may repeat this loop whenever a creature enters the battlefield under an opponent's control.
Results
Destroy all creatures that enter the battlefield under an opponent's control. Destroy all creatures opponents control.

Francisco, Fowl Marauder // Yoshimaru, Ever Faithful
2.33% of 43 decks 1 decks
Shay Cormac
0.72% of 414 decks 3 decks
Lotho, Corrupt Shirriff
0.10% of 1029 decks 1 decks
Amalia Benavides Aguirre
0.04% of 2797 decks 1 decks
Breena, the Demagogue
0.02% of 4065 decks 1 decks
Top Cards
Silence
86% of 7 decks +82% synergy
Grand Abolisher
86% of 7 decks +77% synergy
Esper Sentinel
86% of 7 decks +65% synergy
Lotus Petal
71% of 7 decks +68% synergy
Drannith Magistrate
71% of 7 decks +65% synergy
Reanimate
71% of 7 decks +59% synergy
Blind Obedience
71% of 7 decks +52% synergy
Dark Ritual
71% of 7 decks +52% synergy
Authority of the Consuls
57% of 7 decks +45% synergy
Enlightened Tutor
57% of 7 decks +43% synergy
Creatures
Mari, the Killing Quill
43% of 7 decks +43% synergy
Tetzimoc, Primal Death
43% of 7 decks +43% synergy
Termination Facilitator
43% of 7 decks +43% synergy
Doorkeeper Thrull
43% of 7 decks +41% synergy
Orcish Bowmasters
43% of 7 decks +36% synergy
Archivist of Oghma
43% of 7 decks +32% synergy
Teysa Karlov
43% of 7 decks +25% synergy
Lotho, Corrupt Shirriff
43% of 7 decks +21% synergy
Emperor of Bones
40% of 5 decks +39% synergy
Francisco, Fowl Marauder
29% of 7 decks +28% synergy
Shelob, Dread Weaver
29% of 7 decks +28% synergy
Loxodon Gatekeeper
29% of 7 decks +28% synergy
Soulless Jailer
29% of 7 decks +28% synergy
Hex Parasite
29% of 7 decks +28% synergy
Murderous Rider
29% of 7 decks +27% synergy
Shriekmaw
29% of 7 decks +27% synergy
Linvala, Keeper of Silence
29% of 7 decks +27% synergy
Ravenous Chupacabra
29% of 7 decks +27% synergy
Archon of Emeria
29% of 7 decks +26% synergy
Oswald Fiddlebender
29% of 7 decks +26% synergy
Lion Sash
29% of 7 decks +26% synergy
Ogre Slumlord
29% of 7 decks +26% synergy
Dauntless Dismantler
29% of 7 decks +25% synergy
Opposition Agent
29% of 7 decks +24% synergy
Heliod, Sun-Crowned
29% of 7 decks +23% synergy
Boromir, Warden of the Tower
29% of 7 decks +21% synergy
Dauthi Voidwalker
29% of 7 decks +21% synergy
Serra Ascendant
29% of 7 decks +20% synergy
Drana and Linvala
29% of 7 decks +18% synergy
Selfless Spirit
29% of 7 decks +16% synergy
Suture Priest
29% of 7 decks +11% synergy
Elenda, the Dusk Rose
29% of 7 decks +8% synergy
Blood Artist
29% of 7 decks -6% synergy
Marionette Apprentice
20% of 5 decks +2% synergy
Pentarch Paladin
14% of 7 decks +14% synergy
Bounty Hunter
14% of 7 decks +14% synergy
Intrepid Hero
14% of 7 decks +14% synergy
Avatar of Woe
14% of 7 decks +14% synergy
Triskelion
14% of 7 decks +14% synergy
Tocatli Honor Guard
14% of 7 decks +14% synergy
Giant Killer
14% of 7 decks +14% synergy
Royal Assassin
14% of 7 decks +14% synergy
Hoarding Broodlord
14% of 7 decks +14% synergy
Oona's Blackguard
14% of 7 decks +14% synergy
Hope of Ghirapur
14% of 7 decks +14% synergy
Wandering Archaic
14% of 7 decks +14% synergy
Flumph
14% of 7 decks +13% synergy
Leonin Elder
14% of 7 decks +13% synergy
Ayara's Oathsworn
14% of 7 decks +13% synergy
Spirit of the Labyrinth
14% of 7 decks +13% synergy
Instants
Vampiric Tutor
57% of 7 decks +43% synergy
Mortify
57% of 7 decks +34% synergy
Generous Gift
57% of 7 decks +29% synergy
Path to Exile
57% of 7 decks +11% synergy
Swords to Plowshares
57% of 7 decks -8% synergy
Orim's Chant
43% of 7 decks +42% synergy
V.A.T.S.
43% of 7 decks +42% synergy
Fateful Absence
43% of 7 decks +41% synergy
Cauldron Haze
43% of 7 decks +41% synergy
Cabal Ritual
43% of 7 decks +41% synergy
Culling the Weak
43% of 7 decks +40% synergy
Angel's Grace
43% of 7 decks +40% synergy
Imp's Mischief
43% of 7 decks +40% synergy
Tragic Slip
43% of 7 decks +39% synergy
Infernal Grasp
43% of 7 decks +38% synergy
Entomb
43% of 7 decks +37% synergy
Reprieve
43% of 7 decks +34% synergy
Stroke of Midnight
43% of 7 decks +24% synergy
Flare of Fortitude
40% of 5 decks +29% synergy
Long Goodbye
29% of 7 decks +28% synergy
Fatal Push
29% of 7 decks +28% synergy
Touch of Darkness
29% of 7 decks +28% synergy
Snuff Out
29% of 7 decks +27% synergy
Ad Nauseam
29% of 7 decks +26% synergy
Deadly Rollick
29% of 7 decks +20% synergy
Fracture
29% of 7 decks +6% synergy
Chain Assassination
20% of 5 decks +18% synergy
Hallowed Moonlight
14% of 7 decks +14% synergy
Pull from Eternity
14% of 7 decks +14% synergy
Demonic Consultation
14% of 7 decks +14% synergy
Afterlife
14% of 7 decks +14% synergy
Calamity's Wake
14% of 7 decks +14% synergy
Mandate of Peace
14% of 7 decks +14% synergy
Power Word Kill
14% of 7 decks +14% synergy
Mausoleum Secrets
14% of 7 decks +14% synergy
Cast Down
14% of 7 decks +14% synergy
Tainted Pact
14% of 7 decks +14% synergy
Valorous Stance
14% of 7 decks +13% synergy
Curtains' Call
14% of 7 decks +13% synergy
Lethal Scheme
14% of 7 decks +13% synergy
Oblation
14% of 7 decks +13% synergy
Baleful Mastery
14% of 7 decks +13% synergy
Your Temple Is Under Attack
14% of 7 decks +12% synergy
Everybody Lives!
14% of 7 decks +12% synergy
Mana Tithe
14% of 7 decks +12% synergy
Saw in Half
14% of 7 decks +11% synergy
Surge of Salvation
14% of 7 decks +11% synergy
Rebuff the Wicked
14% of 7 decks +11% synergy
Murder
14% of 7 decks +11% synergy
Final Showdown
14% of 7 decks +10% synergy
Sorceries
Demonic Tutor
57% of 7 decks +38% synergy
Imperial Seal
43% of 7 decks +40% synergy
Unearth
43% of 7 decks +37% synergy
Sevinne's Reclamation
43% of 7 decks +32% synergy
Divine Reckoning
29% of 7 decks +27% synergy
Approach of the Second Sun
29% of 7 decks +27% synergy
Single Combat
29% of 7 decks +27% synergy
Helping Hand
29% of 7 decks +26% synergy
Unmarked Grave
29% of 7 decks +25% synergy
Beseech the Mirror
29% of 7 decks +24% synergy
Diabolic Intent
29% of 7 decks +16% synergy
Damn
29% of 7 decks -6% synergy
Asphyxiate
14% of 7 decks +14% synergy
Sickening Dreams
14% of 7 decks +14% synergy
Hex
14% of 7 decks +14% synergy
Praetor's Grasp
14% of 7 decks +13% synergy
Final Parting
14% of 7 decks +13% synergy
Scheming Symmetry
14% of 7 decks +13% synergy
Secret Rendezvous
14% of 7 decks +11% synergy
Revival // Revenge
14% of 7 decks +9% synergy
Open the Armory
14% of 7 decks +9% synergy
Agadeem's Awakening
14% of 7 decks +9% synergy
Feed the Swarm
14% of 7 decks +7% synergy
Debt to the Deathless
14% of 7 decks +3% synergy
Farewell
14% of 7 decks +1% synergy
Vindicate
14% of 7 decks -0% synergy
Toxic Deluge
14% of 7 decks -0% synergy
Utility Artifacts
Phantom Blade
100% of 1 decks +98% synergy
Brotherhood Regalia
100% of 1 decks +95% synergy
Basilisk Collar
43% of 7 decks +42% synergy
Wishclaw Talisman
43% of 7 decks +40% synergy
The Ozolith
43% of 7 decks +39% synergy
Mithril Coat
43% of 7 decks +38% synergy
Wayfarer's Bauble
43% of 7 decks +24% synergy
Swiftfoot Boots
43% of 7 decks +17% synergy
Skullclamp
43% of 7 decks +11% synergy
Vexing Bauble
40% of 5 decks +38% synergy
Isochron Scepter
29% of 7 decks +28% synergy
Damping Sphere
29% of 7 decks +28% synergy
Cauldron of Souls
29% of 7 decks +28% synergy
Sensei's Divining Top
29% of 7 decks +25% synergy
Tarrian's Soulcleaver
29% of 7 decks +23% synergy
Blade of the Bloodchief
29% of 7 decks +23% synergy
Portable Hole
14% of 7 decks +14% synergy
Profane Memento
14% of 7 decks +14% synergy
Urza's Bauble
14% of 7 decks +14% synergy
Quietus Spike
14% of 7 decks +13% synergy
Krark-Clan Ironworks
14% of 7 decks +13% synergy
Dowsing Dagger
14% of 7 decks +13% synergy
Vorpal Sword
14% of 7 decks +13% synergy
Lavaspur Boots
14% of 7 decks +13% synergy
Haystack
14% of 7 decks +13% synergy
Mishra's Bauble
14% of 7 decks +13% synergy
Whispersilk Cloak
14% of 7 decks +11% synergy
The One Ring
14% of 7 decks +7% synergy
Aetherflux Reservoir
14% of 7 decks +4% synergy
Bolas's Citadel
14% of 7 decks -4% synergy
Lightning Greaves
14% of 7 decks -7% synergy
Enchantments
Retribution of the Ancients
43% of 7 decks +42% synergy
Dance of the Dead
43% of 7 decks +40% synergy
Animate Dead
43% of 7 decks +33% synergy
Ripples of Undeath
40% of 5 decks +27% synergy
Karmic Justice
29% of 7 decks +27% synergy
No Mercy
29% of 7 decks +26% synergy
Dictate of Erebos
29% of 7 decks +19% synergy
Black Market Connections
29% of 7 decks +9% synergy
Chthonian Nightmare
20% of 5 decks +14% synergy
Felidar Umbra
14% of 7 decks +14% synergy
Gift of Doom
14% of 7 decks +14% synergy
Agent of the Shadow Thieves
14% of 7 decks +14% synergy
Rune of Sustenance
14% of 7 decks +13% synergy
Oubliette
14% of 7 decks +13% synergy
Noble Heritage
14% of 7 decks +13% synergy
True Conviction
14% of 7 decks +13% synergy
Necromancy
14% of 7 decks +12% synergy
Revel in Riches
14% of 7 decks +10% synergy
Necropotence
14% of 7 decks +8% synergy
Trouble in Pairs
14% of 7 decks +5% synergy
The Meathook Massacre
14% of 7 decks +3% synergy
Smothering Tithe
14% of 7 decks -15% synergy
Utility Lands
Eiganjo, Seat of the Empire
57% of 7 decks +45% synergy
Rogue's Passage
57% of 7 decks +40% synergy
Shizo, Death's Storehouse
43% of 7 decks +38% synergy
Urza's Saga
43% of 7 decks +37% synergy
Tyrite Sanctum
29% of 7 decks +28% synergy
Kor Haven
29% of 7 decks +28% synergy
Maze of Ith
29% of 7 decks +26% synergy
Ancient Tomb
29% of 7 decks +21% synergy
Fomori Vault
20% of 5 decks +19% synergy
Mishra's Workshop
14% of 7 decks +14% synergy
City of Traitors
14% of 7 decks +14% synergy
Cabal Pit
14% of 7 decks +14% synergy
Treasure Vault
14% of 7 decks +14% synergy
Witch's Clinic
14% of 7 decks +13% synergy
Eiganjo Castle
14% of 7 decks +13% synergy
Emergence Zone
14% of 7 decks +13% synergy
Inventors' Fair
14% of 7 decks +13% synergy
Mikokoro, Center of the Sea
14% of 7 decks +12% synergy
Vault of Whispers
14% of 7 decks +12% synergy
War Room
14% of 7 decks +5% synergy
Takenuma, Abandoned Mire
14% of 7 decks +0% synergy
Cabal Coffers
14% of 7 decks +0% synergy
Castle Locthwain
14% of 7 decks -0% synergy
Urborg, Tomb of Yawgmoth
14% of 7 decks -9% synergy
Vault of the Archangel
14% of 7 decks -18% synergy
Bojuka Bog
14% of 7 decks -31% synergy
Mana Artifacts
Arcane Signet
86% of 7 decks +3% synergy
Sol Ring
86% of 7 decks -1% synergy
Mind Stone
57% of 7 decks +27% synergy
Talisman of Hierarchy
57% of 7 decks +1% synergy
Mox Opal
43% of 7 decks +41% synergy
Chrome Mox
43% of 7 decks +40% synergy
Mox Amber
43% of 7 decks +40% synergy
Jeweled Lotus
43% of 7 decks +39% synergy
Bandit's Haul
29% of 7 decks +28% synergy
Springleaf Drum
29% of 7 decks +27% synergy
Mox Diamond
29% of 7 decks +27% synergy
Mana Vault
29% of 7 decks +26% synergy
Mana Crypt
29% of 7 decks +22% synergy
Fellwar Stone
29% of 7 decks +7% synergy
Orzhov Signet
29% of 7 decks -35% synergy
Bounty Board
20% of 5 decks +19% synergy
Grim Monolith
14% of 7 decks +14% synergy
Chromatic Lantern
14% of 7 decks +13% synergy
Lands
Command Tower
100% of 7 decks +13% synergy
Caves of Koilos
86% of 7 decks +27% synergy
Godless Shrine
71% of 7 decks +23% synergy
Isolated Chapel
71% of 7 decks +12% synergy
Shadowy Backstreet
57% of 7 decks +28% synergy
Marsh Flats
57% of 7 decks +27% synergy
Vault of Champions
57% of 7 decks +15% synergy
Gemstone Caverns
43% of 7 decks +41% synergy
City of Brass
43% of 7 decks +39% synergy
Verdant Catacombs
43% of 7 decks +37% synergy
Arid Mesa
43% of 7 decks +37% synergy
Scrubland
43% of 7 decks +32% synergy
Silent Clearing
43% of 7 decks +27% synergy
Exotic Orchard
43% of 7 decks +19% synergy
Mana Confluence
29% of 7 decks +25% synergy
Plaza of Heroes
29% of 7 decks +25% synergy
Polluted Delta
29% of 7 decks +23% synergy
Bloodstained Mire
29% of 7 decks +23% synergy
Tainted Field
29% of 7 decks -23% synergy
Urza's Cave
20% of 5 decks +16% synergy
Gemstone Mine
14% of 7 decks +14% synergy
Study Hall
14% of 7 decks +13% synergy
Forbidden Orchard
14% of 7 decks +12% synergy
Demolition Field
14% of 7 decks +11% synergy
Opal Palace
14% of 7 decks +11% synergy
Cavern of Souls
14% of 7 decks +10% synergy
Windswept Heath
14% of 7 decks +9% synergy
Snowfield Sinkhole
14% of 7 decks +3% synergy
Scoured Barrens
14% of 7 decks -9% synergy
Brightclimb Pathway
14% of 7 decks -16% synergy
Shineshadow Snarl
14% of 7 decks -24% synergy
Orzhov Basilica
14% of 7 decks -29% synergy
Temple of Silence
14% of 7 decks -30% synergy