Mephidross Vampire + Walking Ballista

Mephidross Vampire
Walking Ballista

Requires
Mephidross Vampire must be on the battlefield. Walking Ballista must be on the battlefield. Walking Ballista has at least two +1/+1 counters on it.
Steps
  1. Activate Walking Ballista's second ability by removing a +1/+1 counter from it, dealing 1 damage to any creature an opponent controls.
  2. Walking Ballista triggers, putting a +1/+1 counter on itself.
  3. Repeat as desired.
  4. You may also 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 any number of creatures opponents control. Infinite damage to creatures.

Skullbriar, the Walking Grave
0.18% of 6626 decks 12 decks
Massacre Girl, Known Killer
0.19% of 4207 decks 8 decks
Mikaeus, the Unhallowed
0.29% of 1365 decks 4 decks
Ishai, Ojutai Dragonspeaker // Reyhan, Last of the Abzan
0.19% of 1572 decks 3 decks
Atraxa, Praetors' Voice
0.01% of 35754 decks 3 decks
Ghave, Guru of Spores
0.05% of 6440 decks 3 decks
Zagras, Thief of Heartbeats
0.50% of 601 decks 3 decks
Trazyn the Infinite
0.16% of 1926 decks 3 decks
The Mimeoplasm
0.05% of 5846 decks 3 decks
Strefan, Maurer Progenitor
0.03% of 5810 decks 2 decks
K'rrik, Son of Yawgmoth
0.01% of 14145 decks 2 decks
The Wise Mothman
0.01% of 13356 decks 2 decks
Muldrotha, the Gravetide
0.01% of 15570 decks 2 decks
Korvold, Fae-Cursed King
0.01% of 15558 decks 2 decks
Edgar Markov
0.01% of 21524 decks 2 decks
Vito, Thorn of the Dusk Rose
0.06% of 3111 decks 2 decks
Valgavoth, Harrower of Souls
0.01% of 8271 decks 1 decks
Meren of Clan Nel Toth
0.01% of 15166 decks 1 decks
New Cards
Demonic Counsel
43% of 7 decks +39% synergy
High Synergy Cards
Triskelion
66% of 94 decks +66% synergy
Heliod, Sun-Crowned
62% of 26 decks +58% synergy
Winding Constrictor
57% of 46 decks +52% synergy
Hardened Scales
57% of 46 decks +48% synergy
Corpsejack Menace
52% of 46 decks +47% synergy
Branching Evolution
47% of 45 decks +41% synergy
Gamble
48% of 21 decks +38% synergy
Rite of Passage
37% of 46 decks +36% synergy
Maha, Its Feathers Night
38% of 13 decks +36% synergy
Kami of Whispered Hopes
42% of 33 decks +35% synergy
Top Cards
Beast Within
41% of 46 decks +3% synergy
Esper Sentinel
38% of 26 decks +18% synergy
Assassin's Trophy
38% of 45 decks +8% synergy
Rhystic Study
38% of 24 decks +10% synergy
Cyclonic Rift
38% of 24 decks +10% synergy
Forgotten Ancient
37% of 46 decks +31% synergy
Cultivate
37% of 46 decks -9% synergy
Ozolith, the Shattered Spire
36% of 33 decks +30% synergy
Conclave Mentor
33% of 15 decks +29% synergy
Vandalblast
33% of 21 decks +17% synergy
Creatures
Strong, the Brutish Thespian
50% of 6 decks +49% synergy
Glowing One
50% of 6 decks +49% synergy
Mikaeus, the Unhallowed
32% of 94 decks +29% synergy
Vigor
30% of 46 decks +28% synergy
Herald of Secret Streams
30% of 23 decks +28% synergy
Slippery Bogbonder
29% of 45 decks +28% synergy
Deathbringer Thoctar
29% of 21 decks +28% synergy
Orcish Bowmasters
28% of 65 decks +17% synergy
Vorinclex, Monstrous Raider
27% of 44 decks +23% synergy
Birds of Paradise
26% of 46 decks -1% synergy
Kodama of the West Tree
26% of 43 decks +21% synergy
Dockside Extortionist
25% of 20 decks +13% synergy
Titanoth Rex
24% of 45 decks +23% synergy
Fathom Mage
24% of 21 decks +20% synergy
Mondrak, Glory Dominus
24% of 21 decks +15% synergy
Blood Artist
20% of 94 decks +9% synergy
Hornbash Mentor
20% of 45 decks +20% synergy
Pir, Imaginative Rascal
20% of 45 decks +19% synergy
Good-Fortune Unicorn
20% of 15 decks +17% synergy
Mayhem Devil
20% of 20 decks +10% synergy
Elenda, the Dusk Rose
19% of 26 decks +13% synergy
Avacyn's Pilgrim
19% of 16 decks +4% synergy
Incubation Druid
18% of 45 decks +13% synergy
Evolution Sage
18% of 45 decks +11% synergy
Cankerbloom
18% of 34 decks +11% synergy
Tribute Mage
17% of 23 decks +15% synergy
Spark Double
17% of 23 decks +10% synergy
Ezuri, Stalker of Spheres
17% of 18 decks +13% synergy
Delighted Halfling
16% of 25 decks +2% synergy
Florian, Voldaren Scion
16% of 19 decks +13% synergy
Teysa Karlov
15% of 26 decks +11% synergy
Cruel Celebrant
15% of 26 decks +7% synergy
Kalonian Hydra
15% of 46 decks +12% synergy
Managorger Hydra
15% of 46 decks +11% synergy
Eternal Witness
15% of 46 decks -6% synergy
Llanowar Elves
15% of 46 decks -6% synergy
Tanazir Quandrix
15% of 20 decks +14% synergy
Phyrexian Vindicator
15% of 20 decks +13% synergy
Juri, Master of the Revue
15% of 20 decks +11% synergy
Brash Taunter
15% of 20 decks +11% synergy
Abzan Battle Priest
15% of 27 decks +14% synergy
Archangel of Thune
15% of 27 decks +12% synergy
Wojek Embermage
14% of 21 decks +14% synergy
Olivia Voldaren
14% of 21 decks +13% synergy
Goblin Sharpshooter
14% of 21 decks +13% synergy
Master Biomancer
14% of 21 decks +11% synergy
Pitiless Plunderer
14% of 93 decks +6% synergy
Viscera Seer
14% of 94 decks +5% synergy
Vein Ripper
14% of 29 decks +11% synergy
Elas il-Kor, Sadistic Pilgrim
14% of 22 decks +2% synergy
Instants
Atomize
50% of 6 decks +44% synergy
Counterspell
33% of 24 decks -10% synergy
Vampiric Tutor
32% of 94 decks +14% synergy
Enlightened Tutor
30% of 27 decks +12% synergy
Swords to Plowshares
30% of 27 decks -33% synergy
Invigorating Surge
29% of 45 decks +28% synergy
Inspiring Call
26% of 46 decks +18% synergy
Putrefy
26% of 46 decks +10% synergy
Eladamri's Call
25% of 16 decks +14% synergy
Deflecting Swat
25% of 20 decks +9% synergy
Path to Exile
22% of 27 decks -24% synergy
Dark Ritual
20% of 94 decks -2% synergy
Solidarity of Heroes
20% of 46 decks +19% synergy
Rakdos Charm
19% of 21 decks +5% synergy
Mana Drain
17% of 24 decks +1% synergy
Swan Song
17% of 24 decks +0% synergy
Negate
17% of 24 decks -6% synergy
Worldly Tutor
15% of 46 decks +1% synergy
Bioshift
14% of 21 decks +14% synergy
Lightning Bolt
14% of 21 decks +4% synergy
Entomb
14% of 94 decks +6% synergy
Astarion's Thirst
13% of 89 decks +12% synergy
Abrupt Decay
13% of 46 decks +3% synergy
Fierce Guardianship
13% of 23 decks -5% synergy
An Offer You Can't Refuse
13% of 23 decks -8% synergy
Lim-Dûl's Vault
12% of 24 decks +9% synergy
Dramatic Reversal
12% of 24 decks +7% synergy
Flusterstorm
12% of 24 decks +5% synergy
Pact of Negation
12% of 24 decks +5% synergy
Rapid Hybridization
12% of 24 decks +3% synergy
Mystical Tutor
12% of 24 decks -2% synergy
Arcane Denial
12% of 24 decks -7% synergy
Brainstorm
12% of 24 decks -9% synergy
Malakir Rebirth
12% of 92 decks +4% synergy
Go for the Throat
12% of 94 decks +5% synergy
Flawless Maneuver
12% of 26 decks +2% synergy
Snakeskin Veil
11% of 44 decks +7% synergy
Return to Dust
11% of 27 decks +7% synergy
Silence
11% of 27 decks +5% synergy
Return of the Wildspeaker
11% of 45 decks -2% synergy
Teferi's Protection
11% of 27 decks -9% synergy
Unexpected Fangs
11% of 93 decks +10% synergy
Deadly Rollick
11% of 93 decks -0% synergy
Deadly Dispute
10% of 92 decks -1% synergy
Ruinous Intrusion
9% of 44 decks +8% synergy
Deathsprout
9% of 45 decks +5% synergy
Golgari Charm
9% of 46 decks +3% synergy
Krosan Grip
9% of 46 decks +1% synergy
Nature's Claim
9% of 46 decks -1% synergy
Heroic Intervention
9% of 46 decks -21% synergy
Sorceries
Demonic Tutor
40% of 94 decks +18% synergy
Over the Edge
31% of 13 decks +30% synergy
Blasphemous Act
29% of 21 decks -5% synergy
Farseek
28% of 46 decks -6% synergy
Kodama's Reach
26% of 46 decks -5% synergy
Reanimate
26% of 94 decks +10% synergy
Toxic Deluge
23% of 94 decks +6% synergy
Nuclear Fallout
22% of 27 decks +20% synergy
Rampant Growth
22% of 46 decks -13% synergy
Windfall
21% of 24 decks +8% synergy
Jeska's Will
20% of 20 decks +3% synergy
Damnation
18% of 94 decks +10% synergy
Fabricate
17% of 24 decks +11% synergy
Farewell
15% of 26 decks +2% synergy
Grim Tutor
15% of 94 decks +10% synergy
Wrath of God
15% of 27 decks +8% synergy
Feed the Swarm
14% of 92 decks -4% synergy
Rise of the Witch-king
14% of 22 decks +7% synergy
Bala Ged Recovery
14% of 44 decks +5% synergy
Mass Manipulation
13% of 23 decks +12% synergy
Rishkar's Expertise
13% of 46 decks +3% synergy
Nature's Lore
13% of 46 decks -19% synergy
Diabolic Tutor
13% of 94 decks +6% synergy
Preordain
12% of 24 decks +2% synergy
Diabolic Intent
12% of 94 decks +3% synergy
Drown in Ichor
12% of 77 decks +9% synergy
Beseech the Mirror
12% of 60 decks +7% synergy
Damn
12% of 26 decks -5% synergy
Idyllic Tutor
11% of 27 decks +6% synergy
Increasing Savagery
11% of 46 decks +10% synergy
Green Sun's Zenith
11% of 46 decks +5% synergy
Three Visits
11% of 46 decks -14% synergy
Black Sun's Zenith
11% of 94 decks +9% synergy
Buried Alive
11% of 94 decks +5% synergy
Exsanguinate
11% of 94 decks +5% synergy
Mutilate
10% of 94 decks +8% synergy
Visions of Dominance
9% of 44 decks +8% synergy
Culling Ritual
9% of 44 decks -2% synergy
Tooth and Nail
9% of 46 decks +7% synergy
Maelstrom Pulse
9% of 46 decks +7% synergy
Regrowth
9% of 46 decks +5% synergy
Harmonize
9% of 46 decks -0% synergy
Dread Return
9% of 94 decks +3% synergy
Living Death
9% of 94 decks +3% synergy
Victimize
9% of 94 decks -3% synergy
Imperial Seal
7% of 94 decks +2% synergy
Night's Whisper
7% of 94 decks -2% synergy
Sign in Blood
7% of 94 decks -2% synergy
Turntimber Symbiosis
7% of 44 decks +5% synergy
Casualties of War
7% of 45 decks +2% synergy
Utility Artifacts
Lightning Greaves
30% of 94 decks +4% synergy
Swiftfoot Boots
20% of 94 decks -8% synergy
Agatha's Soul Cauldron
20% of 60 decks +18% synergy
The Great Henge
20% of 45 decks +10% synergy
The Ozolith
18% of 93 decks +15% synergy
Jet Medallion
18% of 94 decks +15% synergy
Ashnod's Altar
18% of 94 decks +11% synergy
Tarrian's Soulcleaver
18% of 51 decks +16% synergy
Skullclamp
17% of 94 decks +5% synergy
Phyrexian Altar
15% of 94 decks +11% synergy
Blade of the Bloodchief
14% of 94 decks +13% synergy
Fractal Harness
14% of 44 decks +13% synergy
Contagion Engine
13% of 94 decks +12% synergy
Bident of Thassa
12% of 24 decks +6% synergy
Shadowspear
11% of 93 decks +7% synergy
Basilisk Collar
10% of 94 decks +6% synergy
Sensei's Divining Top
10% of 94 decks +4% synergy
Birthing Pod
9% of 46 decks +6% synergy
Sword of Truth and Justice
9% of 93 decks +7% synergy
Bolas's Citadel
9% of 93 decks -1% synergy
Ring of Kalonia
9% of 94 decks +8% synergy
Contagion Clasp
9% of 94 decks +7% synergy
Bontu's Monument
9% of 94 decks +6% synergy
Mithril Coat
8% of 61 decks +2% synergy
Mindcrank
7% of 94 decks +6% synergy
Staff of Domination
7% of 94 decks +6% synergy
The One Ring
7% of 76 decks -2% synergy
Maskwood Nexus
7% of 92 decks +4% synergy
Scythe of the Wretched
6% of 94 decks +6% synergy
Mesmeric Orb
6% of 94 decks +5% synergy
Altar of Dementia
6% of 94 decks +4% synergy
Expedition Map
6% of 94 decks +3% synergy
Whip of Erebos
6% of 94 decks +3% synergy
Wayfarer's Bauble
6% of 94 decks -4% synergy
Throne of the Grim Captain
6% of 52 decks +6% synergy
Tarrian's Journal
6% of 52 decks +4% synergy
Luxior, Giada's Gift
6% of 89 decks +5% synergy
Mask of Griselbrand
5% of 91 decks +4% synergy
Commander's Plate
5% of 92 decks +3% synergy
Cauldron of Souls
5% of 94 decks +5% synergy
Blasting Station
5% of 94 decks +5% synergy
Nim Deathmantle
5% of 94 decks +5% synergy
Enchantments
Cathars' Crusade
26% of 27 decks +20% synergy
Hydra's Growth
24% of 45 decks +22% synergy
Doubling Season
24% of 46 decks +15% synergy
Smothering Tithe
23% of 26 decks -2% synergy
Spiteful Banditry
21% of 14 decks +19% synergy
Mystic Remora
21% of 24 decks +3% synergy
Resourceful Defense
20% of 25 decks +19% synergy
Arcane Adaptation
17% of 23 decks +16% synergy
Sylvan Library
17% of 46 decks +6% synergy
Black Market
17% of 94 decks +12% synergy
Animate Dead
16% of 94 decks +7% synergy
Court of Garenbrig
16% of 19 decks +12% synergy
Black Market Connections
16% of 89 decks +5% synergy
Pariah
15% of 27 decks +14% synergy
Anointed Procession
15% of 27 decks +6% synergy
Skrelv's Hive
14% of 21 decks +11% synergy
Goblin Bombardment
14% of 21 decks +8% synergy
Phyrexian Arena
14% of 94 decks -1% synergy
Mirrormade
13% of 23 decks +11% synergy
Primal Vigor
13% of 46 decks +10% synergy
The Meathook Massacre
12% of 91 decks +7% synergy
Exquisite Blood
12% of 94 decks +7% synergy
Solemnity
11% of 27 decks +10% synergy
Rancor
11% of 46 decks +6% synergy
Revel in Riches
11% of 93 decks +7% synergy
Blowfly Infestation
11% of 94 decks +10% synergy
Necropotence
11% of 94 decks +5% synergy
Sanguine Bond
11% of 94 decks +5% synergy
Nest of Scarabs
10% of 94 decks +9% synergy
Tribute to the World Tree
9% of 33 decks +1% synergy
Myth Unbound
9% of 45 decks +8% synergy
Defense of the Heart
9% of 46 decks +6% synergy
Wild Growth
9% of 46 decks -2% synergy
Necromancy
9% of 94 decks +5% synergy
Necrosynthesis
8% of 91 decks +7% synergy
Retribution of the Ancients
7% of 94 decks +7% synergy
Wound Reflection
7% of 94 decks +6% synergy
Virtue of Persistence
7% of 56 decks +4% synergy
Master Chef
7% of 43 decks +5% synergy
Journey to Eternity
7% of 45 decks +3% synergy
Guardian Project
7% of 45 decks -2% synergy
Moldervine Reclamation
7% of 45 decks -2% synergy
Canopy Cover
7% of 46 decks +5% synergy
Ordeal of Nylea
7% of 46 decks +5% synergy
Alpha Authority
7% of 46 decks +5% synergy
Asceticism
7% of 46 decks +4% synergy
Bear Umbra
7% of 46 decks +2% synergy
Greater Good
7% of 46 decks +2% synergy
Bastion of Remembrance
6% of 93 decks +0% synergy
Phyresis
6% of 94 decks +5% synergy
Planeswalkers
Ajani, Mentor of Heroes
25% of 16 decks +24% synergy
Ashiok, Dream Render
13% of 23 decks +9% synergy
Liliana of the Dark Realms
9% of 94 decks +7% synergy
Vraska, Betrayal's Sting
6% of 79 decks +3% synergy
Sorin, Imperious Bloodlord
5% of 93 decks +5% synergy
Liliana, Dreadhorde General
5% of 93 decks +2% synergy
Utility Lands
Urborg, Tomb of Yawgmoth
36% of 94 decks +26% synergy
Bojuka Bog
31% of 94 decks +1% synergy
Cabal Coffers
30% of 94 decks +19% synergy
Reliquary Tower
28% of 94 decks -2% synergy
Gavony Township
25% of 16 decks +16% synergy
Karn's Bastion
23% of 93 decks +18% synergy
Otawara, Soaring City
22% of 23 decks +5% synergy
Rogue's Passage
18% of 94 decks -1% synergy
Phyrexian Tower
17% of 94 decks +8% synergy
Vault of the Archangel
15% of 27 decks +4% synergy
Boseiju, Who Endures
14% of 43 decks -6% synergy
Mariposa Military Base
13% of 23 decks +12% synergy
Oran-Rief, the Vastwood
13% of 46 decks +8% synergy
Yavimaya, Cradle of Growth
13% of 92 decks +4% synergy
Academy Ruins
12% of 24 decks +8% synergy
Nykthos, Shrine to Nyx
12% of 94 decks +6% synergy
Ancient Den
11% of 27 decks +6% synergy
Takenuma, Abandoned Mire
11% of 90 decks +1% synergy
Volrath's Stronghold
10% of 94 decks +8% synergy
Ancient Tomb
10% of 94 decks -1% synergy
Tyrite Sanctum
9% of 92 decks +7% synergy
Mosswort Bridge
9% of 46 decks -2% synergy
War Room
8% of 92 decks +1% synergy
Nesting Grounds
8% of 93 decks +6% synergy
Cabal Stronghold
8% of 93 decks +4% synergy
Strip Mine
7% of 94 decks +5% synergy
Urza's Saga
7% of 92 decks -1% synergy
High Market
6% of 94 decks +3% synergy
Shizo, Death's Storehouse
6% of 94 decks +2% synergy
Buried Ruin
6% of 94 decks +1% synergy
Tomb Fortress
6% of 83 decks +5% synergy
Castle Locthwain
5% of 93 decks +0% synergy
Inventors' Fair
5% of 94 decks +2% synergy
Mana Artifacts
Sol Ring
88% of 94 decks +4% synergy
Arcane Signet
71% of 93 decks -1% synergy
Rakdos Signet
38% of 21 decks +9% synergy
Talisman of Indulgence
33% of 21 decks +7% synergy
Orzhov Signet
19% of 27 decks -9% synergy
Mana Crypt
14% of 94 decks +6% synergy
Talisman of Resilience
13% of 45 decks +2% synergy
Golgari Signet
13% of 46 decks +0% synergy
Thought Vessel
13% of 94 decks -4% synergy
Throne of Eldraine
13% of 55 decks +10% synergy
Dimir Signet
12% of 24 decks -17% synergy
Talisman of Dominance
12% of 24 decks -19% synergy
Talisman of Hierarchy
12% of 26 decks -13% synergy
Sceptre of Eternal Glory
11% of 83 decks +10% synergy
Chrome Mox
11% of 94 decks +4% synergy
Chromatic Lantern
11% of 94 decks +1% synergy
Fellwar Stone
10% of 94 decks -11% synergy
Everflowing Chalice
9% of 94 decks +4% synergy
Lotus Petal
9% of 94 decks +2% synergy
Jeweled Lotus
8% of 92 decks +2% synergy
Charcoal Diamond
6% of 94 decks +1% synergy
Commander's Sphere
6% of 94 decks -9% synergy
Mind Stone
6% of 94 decks -11% synergy
Mana Vault
5% of 94 decks -1% synergy
Lands
Sacred Foundry
86% of 7 decks +50% synergy
Blood Crypt
71% of 21 decks +33% synergy
Watery Grave
62% of 24 decks +22% synergy
Command Tower
61% of 94 decks -13% synergy
Temple Garden
56% of 16 decks +16% synergy
Luxury Suite
55% of 20 decks +29% synergy
Breeding Pool
52% of 21 decks +11% synergy
Llanowar Wastes
52% of 46 decks +27% synergy
Sea of Clouds
50% of 10 decks +24% synergy
Savai Triome
50% of 6 decks +23% synergy
Overgrown Tomb
50% of 46 decks +8% synergy
Godless Shrine
48% of 27 decks +7% synergy
Underground River
42% of 24 decks +22% synergy
Dreamroot Cascade
40% of 20 decks +21% synergy
Rejuvenating Springs
40% of 20 decks +11% synergy
Morphic Pool
39% of 23 decks +13% synergy
Woodland Cemetery
39% of 46 decks +11% synergy
Undergrowth Stadium
39% of 44 decks +12% synergy
Yavimaya Coast
38% of 21 decks +12% synergy
Hinterland Harbor
38% of 21 decks +11% synergy
Dragonskull Summit
38% of 21 decks +7% synergy
Hallowed Fountain
36% of 11 decks -4% synergy
Temple of Malady
33% of 46 decks +16% synergy
Wooded Bastion
31% of 16 decks +27% synergy
Blightstep Pathway
30% of 20 decks +20% synergy
Zagoth Triome
30% of 20 decks -1% synergy
Bountiful Promenade
27% of 15 decks +2% synergy
Brushland
25% of 16 decks +9% synergy
Drowned Catacomb
25% of 24 decks -1% synergy
Sandsteppe Citadel
25% of 16 decks -1% synergy
Graven Cairns
24% of 21 decks +16% synergy
Verdant Catacombs
23% of 94 decks +12% synergy
Exotic Orchard
22% of 94 decks -13% synergy
Isolated Chapel
22% of 27 decks -5% synergy
Caves of Koilos
22% of 27 decks -6% synergy
Shipwreck Marsh
22% of 23 decks +3% synergy
Urza's Cave
21% of 19 decks +17% synergy
Haunted Ridge
21% of 19 decks +5% synergy
Sulfurous Mire
20% of 20 decks +18% synergy
Nurturing Peatland
20% of 45 decks +14% synergy
Overgrown Farmland
20% of 15 decks +4% synergy
Vault of Champions
19% of 26 decks -7% synergy
Blackcleave Cliffs
19% of 21 decks +14% synergy
Tainted Peak
19% of 21 decks +9% synergy
Flooded Grove
19% of 21 decks +7% synergy
Badlands
19% of 21 decks +6% synergy
Temple of Malice
19% of 21 decks +5% synergy
Rakdos Carnarium
19% of 21 decks +4% synergy
Temple of Mystery
19% of 21 decks +2% synergy
Sulfurous Springs
19% of 21 decks -1% synergy