Marvin, Murderous Mimic + Phyrexian Devourer + Walking Ballista

Marvin, Murderous Mimic
Phyrexian Devourer
Walking Ballista

Requires
Marvin, Murderous Mimic must be on the battlefield. Phyrexian Devourer must be on the battlefield. Walking Ballista must be on the battlefield.
Steps
  1. Activate Marvin using Phyrexian Devourer's ability by exiling the top card of your library, putting a number of +1/+1 counters on Marvin equal to the exiled card's mana value.
  2. Repeat step 1 as desired or until you have an empty library.
  3. Activate Marvin using Walking Ballista's second ability by removing a +1/+1 counter from Marvin, dealing 1 damage to any target.
  4. Repeat step 3 as desired.
Results
Near-infinite damage. Exile your library. Near-infinite +1/+1 counters on Marvin.

Marvin, Murderous Mimic
17.33% of 300 decks 52 decks
New Cards
Giggling Skitterspike
73% of 26 decks +68% synergy
Top Cards
Pili-Pala
92% of 59 decks +91% synergy
Palladium Myr
88% of 59 decks +86% synergy
Voltaic Construct
83% of 59 decks +83% synergy
Farmstead Gleaner
81% of 59 decks +81% synergy
Mystic Forge
81% of 59 decks +78% synergy
Forsaken Monument
80% of 59 decks +78% synergy
Triskelion
78% of 59 decks +78% synergy
Foundry Inspector
76% of 59 decks +72% synergy
All Is Dust
69% of 59 decks +68% synergy
Cryptic Trilobite
68% of 59 decks +68% synergy
Creatures
Arcanis the Omnipotent
100% of 3 decks +99% synergy
Kuldotha Forgemaster
68% of 59 decks +67% synergy
Steel Overseer
66% of 59 decks +65% synergy
Mindless Automaton
63% of 59 decks +62% synergy
Liberator, Urza's Battlethopter
61% of 59 decks +59% synergy
Metalworker
59% of 59 decks +59% synergy
Myr Welder
58% of 59 decks +57% synergy
Glaring Fleshraker
55% of 58 decks +52% synergy
Karn, Silver Golem
54% of 59 decks +54% synergy
Crystalline Crawler
53% of 59 decks +52% synergy
Endbringer
53% of 59 decks +52% synergy
Gingerbrute
53% of 59 decks +51% synergy
Jhoira's Familiar
47% of 59 decks +46% synergy
Abstruse Archaic
44% of 59 decks +43% synergy
Myr Retriever
44% of 59 decks +42% synergy
Manakin
42% of 59 decks +42% synergy
Ornithopter of Paradise
42% of 59 decks +38% synergy
Thran Spider
39% of 59 decks +39% synergy
Wandering Archaic
37% of 59 decks +35% synergy
Drillworks Mole
36% of 59 decks +35% synergy
Scrapyard Recombiner
36% of 59 decks +35% synergy
Arcbound Ravager
36% of 59 decks +35% synergy
Hangarback Walker
36% of 59 decks +35% synergy
Scrap Trawler
36% of 59 decks +33% synergy
Toymaker
34% of 59 decks +34% synergy
Towashi Guide-Bot
34% of 59 decks +34% synergy
Shimmer Myr
34% of 59 decks +32% synergy
Hedron Crawler
32% of 59 decks +32% synergy
Scarecrone
31% of 59 decks +30% synergy
Kozilek's Channeler
31% of 59 decks +30% synergy
Monoskelion
29% of 59 decks +29% synergy
Steel Hellkite
29% of 59 decks +27% synergy
Ulamog's Dreadsire
28% of 57 decks +27% synergy
Cryptothrall
25% of 59 decks +25% synergy
Amaranthine Wall
24% of 59 decks +24% synergy
Walking Atlas
22% of 59 decks +21% synergy
Arcbound Reclaimer
20% of 59 decks +20% synergy
Lodestone Golem
20% of 59 decks +20% synergy
Plague Myr
20% of 59 decks +19% synergy
Crashing Drawbridge
20% of 59 decks +19% synergy
Junk Diver
19% of 59 decks +18% synergy
Canoptek Spyder
19% of 59 decks +18% synergy
Patchwork Gnomes
17% of 59 decks +17% synergy
Skittering Cicada
17% of 59 decks +16% synergy
Solemn Simulacrum
17% of 59 decks +3% synergy
Golem Artisan
15% of 59 decks +15% synergy
Zenith Chronicler
15% of 59 decks +14% synergy
Pentavus
14% of 59 decks +13% synergy
Automated Artificer
14% of 59 decks +13% synergy
Karn, Legacy Reforged
14% of 59 decks +13% synergy
Instants
Fell the Profane
100% of 3 decks +93% synergy
Null Elemental Blast
62% of 58 decks +60% synergy
Eldritch Immunity
56% of 57 decks +54% synergy
Warping Wail
53% of 59 decks +52% synergy
Kozilek's Command
47% of 58 decks +45% synergy
Spatial Contortion
29% of 59 decks +29% synergy
Eldrazi Confluence
25% of 57 decks +23% synergy
Desecrate Reality
19% of 59 decks +18% synergy
Scour from Existence
12% of 59 decks +11% synergy
Not of This World
12% of 59 decks +11% synergy
Titan's Presence
10% of 59 decks +10% synergy
Sorceries
Selective Obliteration
25% of 57 decks +23% synergy
Introduction to Annihilation
17% of 59 decks +17% synergy
Environmental Sciences
12% of 59 decks +12% synergy
Rise of the Eldrazi
12% of 59 decks +10% synergy
Gruesome Slaughter
10% of 59 decks +10% synergy
Introduction to Prophecy
10% of 59 decks +10% synergy
Expanded Anatomy
5% of 59 decks +5% synergy
Utility Artifacts
Staff of Domination
64% of 59 decks +63% synergy
Unwinding Clock
58% of 59 decks +55% synergy
The One Ring
53% of 59 decks +44% synergy
Lightning Greaves
51% of 59 decks +25% synergy
Moonsilver Key
49% of 59 decks +48% synergy
Agatha's Soul Cauldron
49% of 59 decks +47% synergy
Voltaic Key
47% of 59 decks +47% synergy
Swiftfoot Boots
47% of 59 decks +20% synergy
Heartstone
44% of 59 decks +44% synergy
Rings of Brighthearth
44% of 59 decks +42% synergy
Cloud Key
44% of 59 decks +42% synergy
Manifold Key
39% of 59 decks +37% synergy
Thousand-Year Elixir
39% of 59 decks +37% synergy
Sensei's Divining Top
37% of 59 decks +32% synergy
Sculpting Steel
36% of 59 decks +33% synergy
Clock of Omens
34% of 59 decks +33% synergy
Expedition Map
32% of 59 decks +29% synergy
Illusionist's Bracers
29% of 59 decks +28% synergy
Umbral Mantle
27% of 59 decks +26% synergy
Krark-Clan Ironworks
27% of 59 decks +26% synergy
Semblance Anvil
25% of 59 decks +25% synergy
Torpor Orb
22% of 59 decks +21% synergy
Mind's Eye
20% of 59 decks +19% synergy
Mirage Mirror
20% of 59 decks +19% synergy
Commander's Plate
19% of 59 decks +16% synergy
Vexing Bauble
18% of 57 decks +16% synergy
Darksteel Forge
17% of 59 decks +16% synergy
Planar Bridge
14% of 59 decks +13% synergy
Helm of Awakening
14% of 59 decks +13% synergy
Trinisphere
12% of 59 decks +11% synergy
Disruptor Flute
10% of 58 decks +10% synergy
Nexus of Becoming
10% of 59 decks +10% synergy
Howling Mine
10% of 59 decks +8% synergy
Wayfarer's Bauble
10% of 59 decks -0% synergy
Memory Jar
8% of 59 decks +8% synergy
Tangle Wire
8% of 59 decks +8% synergy
Winter Orb
8% of 59 decks +8% synergy
Codex Shredder
8% of 59 decks +8% synergy
The Immortal Sun
8% of 59 decks +8% synergy
Mycosynth Lattice
8% of 59 decks +8% synergy
Defense Grid
8% of 59 decks +8% synergy
Excalibur, Sword of Eden
7% of 41 decks +3% synergy
Citanul Flute
7% of 59 decks +7% synergy
Chalice of the Void
7% of 59 decks +7% synergy
Grafdigger's Cage
7% of 59 decks +6% synergy
Mishra's Bauble
7% of 59 decks +5% synergy
Lithoform Engine
7% of 59 decks +5% synergy
Sting, the Glinting Dagger
7% of 59 decks +5% synergy
Portal to Phyrexia
7% of 59 decks +5% synergy
Tarrian's Soulcleaver
7% of 59 decks +4% synergy
Enchantments
Echoes of Eternity
28% of 58 decks +25% synergy
Ugin's Mastery
7% of 59 decks +6% synergy
Planeswalkers
Ugin, the Ineffable
64% of 59 decks +62% synergy
Karn, the Great Creator
56% of 59 decks +55% synergy
Ugin, the Spirit Dragon
25% of 59 decks +24% synergy
Karn, Living Legacy
10% of 59 decks +10% synergy
Karn Liberated
7% of 59 decks +6% synergy
Utility Lands
Inventors' Fair
81% of 59 decks +77% synergy
Buried Ruin
73% of 59 decks +68% synergy
War Room
73% of 59 decks +66% synergy
Urza's Power Plant
71% of 59 decks +69% synergy
Urza's Tower
71% of 59 decks +69% synergy
Urza's Mine
71% of 59 decks +69% synergy
Urza's Workshop
61% of 59 decks +60% synergy
Darksteel Citadel
56% of 59 decks +52% synergy
Urza's Saga
54% of 59 decks +47% synergy
Fomori Vault
52% of 58 decks +50% synergy
Scavenger Grounds
51% of 59 decks +47% synergy
Ancient Tomb
49% of 59 decks +39% synergy
Reliquary Tower
46% of 59 decks +17% synergy
Shrine of the Forsaken Gods
44% of 59 decks +43% synergy
Fountainport
43% of 35 decks +37% synergy
Zhalfirin Void
42% of 59 decks +41% synergy
Thespian's Stage
42% of 59 decks +40% synergy
Rogue's Passage
42% of 59 decks +23% synergy
Crystal Vein
37% of 59 decks +36% synergy
Tomb of the Spirit Dragon
37% of 59 decks +36% synergy
Strip Mine
37% of 59 decks +34% synergy
Blast Zone
36% of 59 decks +34% synergy
Mishra's Workshop
32% of 59 decks +32% synergy
Bonders' Enclave
32% of 59 decks +30% synergy
Deserted Temple
29% of 59 decks +28% synergy
Emergence Zone
29% of 59 decks +26% synergy
Arch of Orazca
25% of 59 decks +24% synergy
Geier Reach Sanitarium
25% of 59 decks +22% synergy
Vesuva
24% of 59 decks +22% synergy
Wasteland
24% of 59 decks +22% synergy
Tyrite Sanctum
24% of 59 decks +22% synergy
Scorched Ruins
22% of 59 decks +22% synergy
Guildless Commons
22% of 59 decks +21% synergy
Temple of the False God
22% of 59 decks +12% synergy
Urza's Factory
19% of 59 decks +18% synergy
Blinkmoth Nexus
19% of 59 decks +18% synergy
Treasure Vault
17% of 59 decks +14% synergy
Field of the Dead
17% of 59 decks +13% synergy
Command Beacon
17% of 59 decks +12% synergy
City of Traitors
15% of 59 decks +14% synergy
Radiant Fountain
15% of 59 decks +14% synergy
Ghost Quarter
15% of 59 decks +13% synergy
Karn's Bastion
15% of 59 decks +10% synergy
Crawling Barrens
14% of 59 decks +13% synergy
Sea Gate Wreckage
14% of 59 decks +13% synergy
Ominous Cemetery
14% of 59 decks +13% synergy
Inkmoth Nexus
14% of 59 decks +13% synergy
Arcane Lighthouse
14% of 59 decks +12% synergy
Mikokoro, Center of the Sea
14% of 59 decks +12% synergy
Sanctum of Ugin
12% of 59 decks +11% synergy
Mana Artifacts
Sol Ring
97% of 59 decks +12% synergy
Basalt Monolith
66% of 59 decks +63% synergy
Mind Stone
66% of 59 decks +48% synergy
Thran Dynamo
63% of 59 decks +58% synergy
Mana Vault
47% of 59 decks +41% synergy
Hedron Archive
41% of 59 decks +38% synergy
Mox Opal
41% of 59 decks +36% synergy
Thought Vessel
36% of 59 decks +19% synergy
Grim Monolith
31% of 59 decks +29% synergy
Everflowing Chalice
31% of 59 decks +26% synergy
Worn Powerstone
29% of 59 decks +26% synergy
Lotus Petal
27% of 59 decks +20% synergy
Mana Crypt
25% of 59 decks +15% synergy
Mox Diamond
22% of 59 decks +18% synergy
Liquimetal Torque
20% of 59 decks +17% synergy
Dreamstone Hedron
15% of 59 decks +14% synergy
Jeweled Lotus
15% of 59 decks +8% synergy
Coveted Jewel
14% of 59 decks +12% synergy
Fellwar Stone
14% of 59 decks -7% synergy
Sonic Screwdriver
12% of 59 decks +10% synergy
Gilded Lotus
12% of 59 decks +8% synergy
Arcane Signet
12% of 59 decks -60% synergy
The Mightstone and Weakstone
10% of 59 decks +9% synergy
Prismatic Lens
8% of 59 decks +7% synergy
Chromatic Star
7% of 59 decks +6% synergy
Mox Amber
7% of 59 decks +3% synergy
Chromatic Sphere
5% of 59 decks +5% synergy
Fractured Powerstone
5% of 59 decks +5% synergy
Unstable Obelisk
5% of 59 decks +4% synergy
The Irencrag
5% of 59 decks +4% synergy
Commander's Sphere
5% of 59 decks -11% synergy
Lands
Urza's Cave
62% of 58 decks +57% synergy
The Mycosynth Gardens
47% of 59 decks +45% synergy
Abstergo Entertainment
43% of 47 decks +41% synergy
Hidden Grotto
42% of 38 decks +40% synergy
Planar Nexus
28% of 58 decks +26% synergy
Gemstone Caverns
27% of 59 decks +22% synergy
Talon Gates of Madara
26% of 57 decks +22% synergy
Crystal Grotto
15% of 59 decks +14% synergy
Conduit Pylons
14% of 58 decks +12% synergy
Cavern of Souls
12% of 59 decks +5% synergy
The Grey Havens
10% of 59 decks +8% synergy
Demolition Field
10% of 59 decks +7% synergy
Myriad Landscape
10% of 59 decks -10% synergy
Plaza of Heroes
8% of 59 decks +5% synergy
Hall of Tagsin
7% of 59 decks +6% synergy
Ash Barrens
7% of 59 decks +2% synergy
Exotic Orchard
7% of 59 decks -29% synergy
Lazotep Quarry
5% of 57 decks +3% synergy
Mirrex
5% of 59 decks +4% synergy
Command Tower
5% of 59 decks -69% synergy