Spark Double + Lesser Masticore + Ashnod's Altar

Spark Double
Lesser Masticore
Ashnod's Altar

Requires
Spark Double must be on the battlefield (as a copy of Lesser Manticore). Lesser Masticore must be on the battlefield. Ashnod's Altar must be on the battlefield.
Steps
  1. Activate Ashnod's Altar by sacrificing Spark Double, adding .
  2. When Spark Double dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  3. As Spark Double enters the battlefield, choose to have it enter the battlefield as a copy of Lesser Masticore with a +1/+1 counter on it.
  4. Repeat.
Results
Infinite colorless mana. Infinite damage to creatures. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Marchesa, the Black Rose
0.07% of 10361 decks 7 decks
Moritte of the Frost
0.76% of 918 decks 7 decks
Cayth, Famed Mechanist
0.25% of 2357 decks 6 decks
Zinnia, Valley's Voice
0.01% of 9649 decks 1 decks
Minn, Wily Illusionist
0.02% of 5558 decks 1 decks
Sauron, the Dark Lord
0.00% of 26866 decks 1 decks
Falco Spara, Pactweaver
0.02% of 4548 decks 1 decks
Koma, Cosmos Serpent
0.02% of 5990 decks 1 decks
Abaddon the Despoiler
0.02% of 5164 decks 1 decks
Atogatog
0.07% of 1441 decks 1 decks
Rukarumel, Biologist
0.03% of 3595 decks 1 decks
Eloise, Nephalia Sleuth
0.07% of 1436 decks 1 decks
Grimgrin, Corpse-Born
0.04% of 2750 decks 1 decks
Ambassador Blorpityblorpboop
0.26% of 389 decks 1 decks
New Cards
Nature's Rhythm
100% of 1 decks +97% synergy
High Synergy Cards
Glen Elendra Archmage
74% of 31 decks +72% synergy
Gev, Scaled Scorch
71% of 7 decks +71% synergy
Viscera Seer
77% of 13 decks +68% synergy
Goblin Bombardment
67% of 18 decks +60% synergy
Grazing Kelpie
58% of 12 decks +58% synergy
Melira, Sylvok Outcast
58% of 12 decks +58% synergy
Phyrexian Altar
61% of 31 decks +57% synergy
Carrion Feeder
62% of 13 decks +57% synergy
Blasting Station
55% of 31 decks +54% synergy
River Kelpie
55% of 31 decks +54% synergy
Top Cards
Swords to Plowshares
70% of 10 decks +7% synergy
Worldly Tutor
58% of 12 decks +45% synergy
Llanowar Elves
58% of 12 decks +37% synergy
Cultivate
58% of 12 decks +13% synergy
Altar of Dementia
55% of 31 decks +52% synergy
Juri, Master of the Revue
55% of 11 decks +51% synergy
Thran Vigil
54% of 13 decks +53% synergy
Putrid Goblin
54% of 13 decks +53% synergy
Grim Haruspex
54% of 13 decks +50% synergy
Kithkin Spellduster
50% of 10 decks +50% synergy
Game Changers
Enlightened Tutor
50% of 10 decks +33% synergy
Cyclonic Rift
48% of 31 decks +22% synergy
Rhystic Study
45% of 31 decks +19% synergy
Demonic Tutor
38% of 13 decks +17% synergy
Fierce Guardianship
32% of 31 decks +14% synergy
Vampiric Tutor
31% of 13 decks +14% synergy
The One Ring
26% of 31 decks +18% synergy
Opposition Agent
23% of 13 decks +17% synergy
Chrome Mox
19% of 31 decks +13% synergy
Mana Vault
19% of 31 decks +13% synergy
Creatures
Woodfall Primus
50% of 12 decks +49% synergy
Birds of Paradise
50% of 12 decks +23% synergy
Mikaeus, the Unhallowed
46% of 13 decks +44% synergy
Baleful Strix
46% of 13 decks +33% synergy
Murderous Redcap
45% of 11 decks +44% synergy
Anim Pakal, Thousandth Moon
44% of 9 decks +38% synergy
Aerie Ouphes
42% of 12 decks +42% synergy
Fyndhorn Elves
42% of 12 decks +30% synergy
Elvish Mystic
42% of 12 decks +24% synergy
Oltec Matterweaver
40% of 10 decks +39% synergy
Esper Sentinel
40% of 10 decks +20% synergy
Puppeteer Clique
38% of 13 decks +37% synergy
Altered Ego
33% of 12 decks +32% synergy
Satoru, the Infiltrator
33% of 9 decks +31% synergy
Marionette Apprentice
33% of 9 decks +28% synergy
Imperial Recruiter
33% of 18 decks +28% synergy
Lingering Tormentor
31% of 13 decks +31% synergy
Midnight Reaper
31% of 13 decks +27% synergy
Pitiless Plunderer
31% of 13 decks +23% synergy
Flayer of the Hatebound
28% of 18 decks +27% synergy
Judith, the Scourge Diva
27% of 11 decks +26% synergy
Mahadi, Emporium Master
27% of 11 decks +21% synergy
Progenitor Mimic
25% of 12 decks +23% synergy
Renata, Called to the Hunt
25% of 12 decks +23% synergy
Masked Vandal
25% of 12 decks +23% synergy
Realmwalker
25% of 12 decks +20% synergy
Delighted Halfling
25% of 12 decks +13% synergy
Scorn-Blade Berserker
23% of 13 decks +23% synergy
Yawgmoth, Thran Physician
23% of 13 decks +20% synergy
Solemn Simulacrum
23% of 31 decks +9% synergy
Molten Gatekeeper
21% of 14 decks +19% synergy
Wingrattle Scarecrow
19% of 31 decks +19% synergy
Metallic Mimic
19% of 31 decks +18% synergy
Thassa's Oracle
19% of 31 decks +12% synergy
Furystoke Giant
17% of 18 decks +17% synergy
Reckless Fireweaver
17% of 18 decks +12% synergy
Iron Apprentice
16% of 31 decks +16% synergy
Sage of Fables
13% of 31 decks +12% synergy
Steel Overseer
13% of 31 decks +11% synergy
Trophy Mage
13% of 31 decks +11% synergy
Clever Impersonator
13% of 31 decks +11% synergy
Sakashima of a Thousand Faces
13% of 31 decks +10% synergy
Urza, Lord High Artificer
13% of 31 decks +10% synergy
Spellseeker
13% of 31 decks +9% synergy
Consecrated Sphinx
13% of 31 decks +8% synergy
Mulldrifter
13% of 31 decks +8% synergy
Rattleblaze Scarecrow
10% of 31 decks +10% synergy
Cytoplast Manipulator
10% of 31 decks +10% synergy
Hexavus
10% of 31 decks +9% synergy
Mirror Image
10% of 31 decks +9% synergy
Instants
Chord of Calling
50% of 12 decks +44% synergy
Path to Exile
50% of 10 decks +3% synergy
Counterspell
45% of 31 decks +3% synergy
Swan Song
42% of 31 decks +25% synergy
Heroic Intervention
42% of 12 decks +12% synergy
Beast Within
42% of 12 decks +5% synergy
Dispatch
40% of 10 decks +35% synergy
An Offer You Can't Refuse
35% of 31 decks +14% synergy
Growth Spiral
33% of 12 decks +12% synergy
Boros Charm
33% of 9 decks +9% synergy
Village Rites
31% of 13 decks +21% synergy
Dark Ritual
31% of 13 decks +8% synergy
Dovin's Veto
30% of 10 decks +12% synergy
Teferi's Protection
30% of 10 decks +11% synergy
First Day of Class
28% of 18 decks +28% synergy
Deflecting Swat
28% of 18 decks +11% synergy
Rakdos Charm
27% of 11 decks +13% synergy
Terminate
27% of 11 decks +7% synergy
Mana Drain
26% of 31 decks +11% synergy
Negate
26% of 31 decks +3% synergy
Force of Vigor
25% of 12 decks +22% synergy
Noxious Revival
25% of 12 decks +20% synergy
Nature's Claim
25% of 12 decks +17% synergy
Undying Malice
23% of 13 decks +21% synergy
Force of Negation
23% of 31 decks +14% synergy
Brainstorm
23% of 31 decks +3% synergy
Force of Will
19% of 31 decks +9% synergy
Mystical Tutor
19% of 31 decks +5% synergy
Snap
16% of 31 decks +9% synergy
Pongify
16% of 31 decks +5% synergy
Flusterstorm
13% of 31 decks +6% synergy
Pact of Negation
13% of 31 decks +6% synergy
Rapid Hybridization
13% of 31 decks +4% synergy
Sublime Epiphany
10% of 31 decks +8% synergy
Whir of Invention
10% of 31 decks +7% synergy
Narset's Reversal
10% of 31 decks +6% synergy
Resculpt
10% of 31 decks +5% synergy
Ghostly Flicker
10% of 31 decks +5% synergy
Muddle the Mixture
10% of 31 decks +5% synergy
Dramatic Reversal
10% of 31 decks +5% synergy
Aetherize
10% of 31 decks +4% synergy
Reality Shift
10% of 31 decks +1% synergy
Arcane Denial
10% of 31 decks -10% synergy
Sorceries
Blasphemous Act
50% of 18 decks +17% synergy
Green Sun's Zenith
42% of 12 decks +36% synergy
Finale of Devastation
42% of 12 decks +34% synergy
Kodama's Reach
33% of 12 decks +3% synergy
Nature's Lore
33% of 12 decks +2% synergy
Rampant Growth
33% of 12 decks -1% synergy
Diabolic Intent
31% of 13 decks +23% synergy
Farewell
30% of 10 decks +17% synergy
Fabricate
29% of 31 decks +23% synergy
Last One Standing
27% of 11 decks +26% synergy
Eldritch Evolution
25% of 12 decks +20% synergy
Neoform
25% of 12 decks +20% synergy
Harmonize
25% of 12 decks +17% synergy
Toxic Deluge
23% of 13 decks +5% synergy
Vandalblast
22% of 18 decks +7% synergy
Jeska's Will
22% of 18 decks +6% synergy
Time Warp
10% of 31 decks +8% synergy
Irenicus's Vile Duplication
10% of 31 decks +6% synergy
Gitaxian Probe
10% of 31 decks +4% synergy
Windfall
10% of 31 decks -3% synergy
Utility Artifacts
Skullclamp
23% of 31 decks +11% synergy
Lightning Greaves
23% of 31 decks -2% synergy
Cauldron of Souls
16% of 31 decks +16% synergy
Swiftfoot Boots
16% of 31 decks -11% synergy
Altar of the Brood
13% of 31 decks +12% synergy
Maskwood Nexus
13% of 31 decks +10% synergy
Lotus Petal
13% of 31 decks +6% synergy
Krark-Clan Ironworks
10% of 31 decks +9% synergy
Isochron Scepter
10% of 31 decks +7% synergy
Idol of Oblivion
10% of 31 decks +5% synergy
Commander's Sphere
10% of 31 decks -5% synergy
Enchantments
Impact Tremors
50% of 18 decks +40% synergy
Mystic Remora
35% of 31 decks +18% synergy
Warleader's Call
33% of 9 decks +25% synergy
Unspeakable Symbol
31% of 13 decks +30% synergy
Tribute to the World Tree
25% of 12 decks +18% synergy
Sylvan Library
25% of 12 decks +14% synergy
Uncivil Unrest
22% of 18 decks +21% synergy
Intruder Alarm
10% of 31 decks +8% synergy
Utility Lands
Boseiju, Who Endures
50% of 12 decks +31% synergy
Phyrexian Tower
38% of 13 decks +30% synergy
Otawara, Soaring City
35% of 31 decks +19% synergy
Reliquary Tower
32% of 31 decks +3% synergy
Ancient Den
30% of 10 decks +25% synergy
Cephalid Coliseum
26% of 31 decks +23% synergy
Alchemist's Refuge
25% of 12 decks +18% synergy
Bojuka Bog
23% of 13 decks -7% synergy
Urza's Saga
19% of 31 decks +12% synergy
Forge of Heroes
13% of 31 decks +12% synergy
Inventors' Fair
13% of 31 decks +9% synergy
Academy Ruins
13% of 31 decks +8% synergy
Ancient Tomb
13% of 31 decks +3% synergy
Mystic Sanctuary
13% of 31 decks +1% synergy
Karn's Bastion
10% of 31 decks +5% synergy
Seat of the Synod
10% of 31 decks +4% synergy
Urborg, Tomb of Yawgmoth
10% of 31 decks +0% synergy
Rogue's Passage
10% of 31 decks -10% synergy
Mana Artifacts
Sol Ring
94% of 31 decks +9% synergy
Arcane Signet
84% of 31 decks +12% synergy
Talisman of Dominance
54% of 13 decks +22% synergy
Simic Signet
50% of 12 decks +36% synergy
Talisman of Creativity
50% of 18 decks +21% synergy
Talisman of Indulgence
45% of 11 decks +18% synergy
Talisman of Conviction
44% of 9 decks +21% synergy
Talisman of Progress
40% of 10 decks +16% synergy
Dimir Signet
38% of 13 decks +10% synergy
Fellwar Stone
35% of 31 decks +14% synergy
Talisman of Curiosity
33% of 12 decks +20% synergy
Boros Signet
33% of 9 decks +11% synergy
Izzet Signet
33% of 18 decks +6% synergy
Azorius Signet
30% of 10 decks +5% synergy
Rakdos Signet
27% of 11 decks -2% synergy
Mox Opal
23% of 31 decks +18% synergy
Chromatic Lantern
16% of 31 decks +7% synergy
Thought Vessel
16% of 31 decks -1% synergy
Mox Diamond
13% of 31 decks +9% synergy
Mana Crypt
10% of 31 decks +4% synergy
Lands
Command Tower
87% of 31 decks +13% synergy
Hallowed Fountain
80% of 10 decks +40% synergy
Blood Crypt
73% of 11 decks +35% synergy
Sea of Clouds
70% of 10 decks +44% synergy
Watery Grave
69% of 13 decks +29% synergy
Spectator Seating
67% of 9 decks +42% synergy
Raugrin Triome
67% of 9 decks +41% synergy
Sacred Foundry
67% of 9 decks +31% synergy
Steam Vents
67% of 18 decks +28% synergy
Breeding Pool
67% of 12 decks +26% synergy
Rejuvenating Springs
58% of 12 decks +30% synergy
Training Center
50% of 18 decks +23% synergy
Yavimaya Coast
50% of 12 decks +23% synergy
Underground River
46% of 13 decks +25% synergy
Drowned Catacomb
46% of 13 decks +19% synergy
Sulfurous Springs
45% of 11 decks +24% synergy
Luxury Suite
45% of 11 decks +19% synergy
Perilous Landscape
44% of 9 decks +36% synergy
Scalding Tarn
42% of 31 decks +31% synergy
Simic Growth Chamber
42% of 12 decks +22% synergy
Hinterland Harbor
42% of 12 decks +12% synergy
Deserted Beach
40% of 10 decks +24% synergy
Polluted Delta
39% of 31 decks +27% synergy
Choked Estuary
38% of 13 decks +22% synergy
Morphic Pool
38% of 13 decks +13% synergy
Sunken Hollow
38% of 13 decks +4% synergy
Dragonskull Summit
36% of 11 decks +4% synergy
Rimewood Falls
33% of 12 decks +29% synergy
Elegant Parlor
33% of 9 decks +26% synergy
Waterlogged Grove
33% of 12 decks +26% synergy
Sundown Pass
33% of 9 decks +18% synergy
Dreamroot Cascade
33% of 12 decks +14% synergy
Battlefield Forge
33% of 9 decks +7% synergy
Mystic Monastery
33% of 9 decks +6% synergy
Shivan Reef
33% of 18 decks +6% synergy
City of Brass
32% of 31 decks +24% synergy
Exotic Orchard
32% of 31 decks -4% synergy
Tainted Isle
31% of 13 decks +19% synergy
Darkwater Catacombs
31% of 13 decks +16% synergy
Shipwreck Marsh
31% of 13 decks +12% synergy
Meticulous Archive
30% of 10 decks +22% synergy
Adarkar Wastes
30% of 10 decks +10% synergy
Flooded Strand
29% of 31 decks +18% synergy
Sulfur Falls
28% of 18 decks -5% synergy
Smoldering Marsh
27% of 11 decks -6% synergy
Misty Rainforest
26% of 31 decks +14% synergy
Tangled Islet
25% of 12 decks +18% synergy
Tropical Island
25% of 12 decks +11% synergy
Temple of Mystery
25% of 12 decks +7% synergy
Darkslick Shores
23% of 13 decks +18% synergy