Zameck Guildmage + Lesser Masticore + Ashnod's Altar

Zameck Guildmage
Lesser Masticore
Ashnod's Altar

Requires
Zameck Guildmage must be on the battlefield. Lesser Masticore must be on the battlefield. Ashnod's Altar must be on the battlefield. Mana needed:
Steps
  1. Activate Zameck Guildmage's first ability by paying , causing each creature you control to enter the battlefield with an additional +1/+1 counter this turn.
  2. Activate Ashnod's Altar by sacrificing Lesser Masticore, adding .
  3. Lesser Masticore dies, triggering its persist ability, returning it from your graveyard to the battlefield with no -1/-1 counters due to Zameck Guildmage.
  4. Repeat from step 2.
Results
Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Falco Spara, Pactweaver
0.04% of 4610 decks 2 decks
Kyodai, Soul of Kamigawa
0.05% of 1858 decks 1 decks
Kenrith, the Returned King
0.00% of 21730 decks 1 decks
The Swarmlord
0.05% of 2189 decks 1 decks
Rashmi and Ragavan
0.02% of 5284 decks 1 decks
Sliver Queen
0.07% of 1462 decks 1 decks
Reyhan, Last of the Abzan // Sakashima of a Thousand Faces
0.37% of 272 decks 1 decks
High Synergy Cards
Thermopod
100% of 5 decks +100% synergy
Grumgully, the Generous
100% of 5 decks +98% synergy
Goblin Bombardment
100% of 5 decks +94% synergy
Scuzzback Marauders
80% of 5 decks +80% synergy
Kitchen Finks
80% of 5 decks +80% synergy
Good-Fortune Unicorn
80% of 5 decks +77% synergy
Glen Elendra Archmage
75% of 8 decks +73% synergy
Master Chef
67% of 6 decks +65% synergy
Grazing Kelpie
62% of 8 decks +62% synergy
Melira, Sylvok Outcast
62% of 8 decks +62% synergy
Top Cards
Rhythm of the Wild
80% of 5 decks +57% synergy
Bloodspore Thrinax
62% of 8 decks +62% synergy
Renata, Called to the Hunt
62% of 8 decks +60% synergy
Master Biomancer
62% of 8 decks +59% synergy
Phyrexian Altar
62% of 8 decks +58% synergy
Beast Within
62% of 8 decks +24% synergy
Aerie Ouphes
50% of 8 decks +50% synergy
Blasting Station
50% of 8 decks +49% synergy
River Kelpie
50% of 8 decks +49% synergy
Woodfall Primus
50% of 8 decks +49% synergy
Creatures
Serum Visionary
100% of 1 decks +100% synergy
Murderous Redcap
100% of 3 decks +99% synergy
Wastescape Battlemage
100% of 1 decks +97% synergy
Molten Gatekeeper
100% of 1 decks +95% synergy
Bartolomé del Presidio
100% of 1 decks +93% synergy
Putrid Goblin
75% of 4 decks +74% synergy
Puppeteer Clique
75% of 4 decks +73% synergy
Viscera Seer
75% of 4 decks +66% synergy
Restless Apparition
67% of 3 decks +67% synergy
Cruel Celebrant
67% of 3 decks +58% synergy
Kithkin Spellduster
60% of 5 decks +60% synergy
Heartmender
60% of 5 decks +60% synergy
Furystoke Giant
60% of 5 decks +60% synergy
Safehold Elite
60% of 5 decks +60% synergy
Lingering Tormentor
50% of 4 decks +50% synergy
Rendclaw Trow
50% of 4 decks +50% synergy
Blood Artist
50% of 4 decks +38% synergy
Twilight Shepherd
40% of 5 decks +40% synergy
Vizier of Remedies
40% of 5 decks +40% synergy
Juniper Order Ranger
40% of 5 decks +38% synergy
Arwen, Weaver of Hope
40% of 5 decks +37% synergy
Witty Roastmaster
40% of 5 decks +37% synergy
Purphoros, God of the Forge
40% of 5 decks +35% synergy
Terror of the Peaks
40% of 5 decks +35% synergy
Trapjaw Kelpie
38% of 8 decks +37% synergy
Combine Guildmage
38% of 8 decks +37% synergy
Sanguinary Priest
33% of 3 decks +33% synergy
Composite Golem
33% of 3 decks +33% synergy
Tyranid Prime
33% of 6 decks +32% synergy
Judith, the Scourge Diva
33% of 3 decks +32% synergy
Flesh Duplicate
33% of 3 decks +31% synergy
Corpse Knight
33% of 3 decks +28% synergy
Elas il-Kor, Sadistic Pilgrim
33% of 3 decks +22% synergy
Gravelgill Axeshark
25% of 4 decks +25% synergy
Sadistic Hypnotist
25% of 4 decks +25% synergy
Serra Redeemer
25% of 4 decks +25% synergy
Vindictive Vampire
25% of 4 decks +24% synergy
Ivy Lane Denizen
25% of 8 decks +23% synergy
Falkenrath Noble
25% of 4 decks +23% synergy
Woe Strider
25% of 4 decks +23% synergy
Walking Ballista
25% of 8 decks +22% synergy
Yahenni, Undying Partisan
25% of 4 decks +22% synergy
Marionette Master
25% of 4 decks +21% synergy
Yawgmoth, Thran Physician
25% of 4 decks +21% synergy
Winding Constrictor
25% of 4 decks +21% synergy
Carrion Feeder
25% of 4 decks +20% synergy
Corpsejack Menace
25% of 4 decks +20% synergy
Poison-Tip Archer
25% of 4 decks +20% synergy
Thassa's Oracle
25% of 8 decks +18% synergy
Pitiless Plunderer
25% of 4 decks +17% synergy
Instants
Gift of the Viper
100% of 1 decks +96% synergy
Generous Gift
60% of 5 decks +34% synergy
Get Lost
50% of 2 decks +46% synergy
An Offer You Can't Refuse
43% of 7 decks +22% synergy
Chaos Warp
40% of 5 decks +8% synergy
Swords to Plowshares
40% of 5 decks -23% synergy
Cyclonic Rift
38% of 8 decks +10% synergy
Cauldron Haze
33% of 3 decks +33% synergy
Mythos of Nethroi
33% of 3 decks +31% synergy
Void Rend
33% of 3 decks +19% synergy
Anguished Unmaking
33% of 3 decks +9% synergy
Perplex
25% of 4 decks +24% synergy
Mortality Spear
25% of 4 decks +22% synergy
Demonic Consultation
25% of 4 decks +21% synergy
Tainted Pact
25% of 4 decks +21% synergy
Force of Will
25% of 8 decks +14% synergy
Swan Song
25% of 8 decks +9% synergy
Fierce Guardianship
25% of 8 decks +7% synergy
Vampiric Tutor
25% of 4 decks +7% synergy
Assassin's Trophy
25% of 4 decks -5% synergy
Counterspell
25% of 8 decks -18% synergy
First Day of Class
20% of 5 decks +20% synergy
Temur Charm
20% of 5 decks +17% synergy
Wild Magic Surge
20% of 5 decks +17% synergy
Sejiri Shelter
20% of 5 decks +17% synergy
Silence
20% of 5 decks +14% synergy
Deflecting Swat
20% of 5 decks +4% synergy
Enlightened Tutor
20% of 5 decks +2% synergy
Path to Exile
20% of 5 decks -26% synergy
Bane's Contingency
17% of 6 decks +16% synergy
Pulse of the Grid
12% of 8 decks +12% synergy
Telling Time
12% of 8 decks +12% synergy
Dissolve
12% of 8 decks +12% synergy
Essence Scatter
12% of 8 decks +12% synergy
Jwari Disruption
12% of 8 decks +11% synergy
Archmage's Charm
12% of 8 decks +11% synergy
Disdainful Stroke
12% of 8 decks +11% synergy
Cancel
12% of 8 decks +11% synergy
Mana Leak
12% of 8 decks +10% synergy
Fog
12% of 8 decks +10% synergy
Whir of Invention
12% of 8 decks +9% synergy
Force of Vigor
12% of 8 decks +9% synergy
Spell Pierce
12% of 8 decks +9% synergy
Mindbreak Trap
12% of 8 decks +8% synergy
Chain of Vapor
12% of 8 decks +8% synergy
Dispel
12% of 8 decks +8% synergy
Muddle the Mixture
12% of 8 decks +7% synergy
Dramatic Reversal
12% of 8 decks +7% synergy
Veil of Summer
12% of 8 decks +6% synergy
Flusterstorm
12% of 8 decks +5% synergy
Sorceries
Flare of Cultivation
100% of 1 decks +97% synergy
Wear Down
100% of 1 decks +96% synergy
Farseek
38% of 8 decks +3% synergy
Life // Death
25% of 4 decks +23% synergy
Dread Return
25% of 4 decks +20% synergy
Diabolic Intent
25% of 4 decks +16% synergy
Bala Ged Recovery
25% of 8 decks +16% synergy
Nature's Lore
25% of 8 decks -7% synergy
Rampant Growth
25% of 8 decks -10% synergy
Cultivate
25% of 8 decks -21% synergy
Supply // Demand
20% of 5 decks +20% synergy
Altar of Bone
20% of 5 decks +20% synergy
Beck // Call
20% of 5 decks +20% synergy
Doomskar
20% of 5 decks +19% synergy
Search for Glory
20% of 5 decks +19% synergy
Chain Reaction
20% of 5 decks +15% synergy
Supreme Verdict
20% of 5 decks +6% synergy
Blasphemous Act
20% of 5 decks -14% synergy
Uncage the Menagerie
12% of 8 decks +12% synergy
Hunting Wilds
12% of 8 decks +12% synergy
Timetwister
12% of 8 decks +11% synergy
Ravenform
12% of 8 decks +10% synergy
Tempt with Discovery
12% of 8 decks +9% synergy
Serum Visions
12% of 8 decks +8% synergy
Eldritch Evolution
12% of 8 decks +8% synergy
Sea Gate Restoration
12% of 8 decks +8% synergy
Neoform
12% of 8 decks +7% synergy
Fabricate
12% of 8 decks +6% synergy
Preordain
12% of 8 decks +2% synergy
Ponder
12% of 8 decks -0% synergy
Three Visits
12% of 8 decks -12% synergy
Kodama's Reach
12% of 8 decks -19% synergy
Utility Artifacts
Altar of Dementia
50% of 8 decks +47% synergy
Ozolith, the Shattered Spire
40% of 5 decks +34% synergy
Birthing Pod
38% of 8 decks +35% synergy
The Great Henge
38% of 8 decks +28% synergy
Spawning Pit
25% of 8 decks +25% synergy
Codex Shredder
25% of 8 decks +24% synergy
Altar of the Brood
25% of 8 decks +24% synergy
Conduit of Worlds
20% of 5 decks +14% synergy
The One Ring
20% of 5 decks +11% synergy
Luxior, Giada's Gift
14% of 7 decks +14% synergy
Life Chisel
12% of 8 decks +12% synergy
Lightning Coils
12% of 8 decks +12% synergy
Demonmail Hauberk
12% of 8 decks +12% synergy
Grafted Wargear
12% of 8 decks +12% synergy
Cauldron of Souls
12% of 8 decks +12% synergy
Throne of Geth
12% of 8 decks +12% synergy
Mycosynth Lattice
12% of 8 decks +12% synergy
Krark-Clan Ironworks
12% of 8 decks +11% synergy
Moonsilver Key
12% of 8 decks +11% synergy
Ichor Wellspring
12% of 8 decks +11% synergy
The Ozolith
12% of 8 decks +9% synergy
Aetherflux Reservoir
12% of 8 decks +9% synergy
Sensei's Divining Top
12% of 8 decks +7% synergy
Skullclamp
12% of 8 decks +0% synergy
Enchantments
Stocking the Pantry
100% of 1 decks +97% synergy
Tribute to the World Tree
60% of 5 decks +52% synergy
Cathars' Crusade
40% of 5 decks +34% synergy
Impact Tremors
40% of 5 decks +30% synergy
Kardur's Vicious Return
33% of 3 decks +33% synergy
Thran Vigil
33% of 3 decks +33% synergy
Life Insurance
33% of 3 decks +32% synergy
Carnival of Souls
25% of 4 decks +25% synergy
Evolutionary Leap
25% of 8 decks +23% synergy
Phyrexian Reclamation
25% of 4 decks +21% synergy
The Meathook Massacre
25% of 4 decks +20% synergy
Bastion of Remembrance
25% of 4 decks +19% synergy
Hardened Scales
25% of 8 decks +16% synergy
Mystic Remora
25% of 8 decks +7% synergy
Rhystic Study
25% of 8 decks -3% synergy
Weaponize the Monsters
20% of 5 decks +20% synergy
Shivan Harvest
20% of 5 decks +20% synergy
Barrage of Expendables
20% of 5 decks +20% synergy
Pandemonium
20% of 5 decks +20% synergy
Makeshift Munitions
20% of 5 decks +20% synergy
Martyr's Cause
20% of 5 decks +19% synergy
Fanatical Devotion
20% of 5 decks +19% synergy
Solemnity
20% of 5 decks +19% synergy
Swift Reconfiguration
20% of 5 decks +19% synergy
Outpost Siege
20% of 5 decks +18% synergy
Warstorm Surge
20% of 5 decks +15% synergy
Blind Obedience
20% of 5 decks +13% synergy
Temur Ascendancy
20% of 5 decks +5% synergy
Smothering Tithe
20% of 5 decks -5% synergy
Jugan Defends the Temple
14% of 7 decks +13% synergy
Illusory Gains
12% of 8 decks +12% synergy
Psychic Surgery
12% of 8 decks +12% synergy
Perilous Forays
12% of 8 decks +12% synergy
Death's Presence
12% of 8 decks +11% synergy
Counterbalance
12% of 8 decks +11% synergy
Greater Good
12% of 8 decks +8% synergy
Simic Ascendancy
12% of 8 decks +7% synergy
Guardian Project
12% of 8 decks +4% synergy
Garruk's Uprising
12% of 8 decks -3% synergy
Planeswalkers
Tezzeret, Master of the Bridge
25% of 4 decks +23% synergy
Teferi, Time Raveler
20% of 5 decks +13% synergy
Karn, the Great Creator
12% of 8 decks +11% synergy
Ugin, the Ineffable
12% of 8 decks +11% synergy
Tezzeret the Seeker
12% of 8 decks +10% synergy
Utility Lands
Otawara, Soaring City
29% of 7 decks +12% synergy
Boseiju, Who Endures
29% of 7 decks +9% synergy
Dryad Arbor
25% of 8 decks +21% synergy
Vault of Whispers
25% of 4 decks +21% synergy
Eiganjo, Seat of the Empire
20% of 5 decks +11% synergy
Tolaria West
12% of 8 decks +11% synergy
Tree of Tales
12% of 8 decks +10% synergy
High Market
12% of 8 decks +9% synergy
Inventors' Fair
12% of 8 decks +9% synergy
Academy Ruins
12% of 8 decks +8% synergy
Gaea's Cradle
12% of 8 decks +7% synergy
Seat of the Synod
12% of 8 decks +6% synergy
Alchemist's Refuge
12% of 8 decks +6% synergy
Urza's Saga
12% of 8 decks +5% synergy
Urborg, Tomb of Yawgmoth
12% of 8 decks +3% synergy
Ancient Tomb
12% of 8 decks +2% synergy
Rogue's Passage
12% of 8 decks -7% synergy
Reliquary Tower
12% of 8 decks -17% synergy
Mana Artifacts
Arcane Signet
88% of 8 decks +15% synergy
Sol Ring
88% of 8 decks +3% synergy
Fellwar Stone
50% of 8 decks +29% synergy
Talisman of Curiosity
38% of 8 decks +25% synergy
Simic Signet
38% of 8 decks +23% synergy
Mox Diamond
25% of 8 decks +21% synergy
Chrome Mox
25% of 8 decks +19% synergy
Mana Crypt
25% of 8 decks +17% synergy
Talisman of Resilience
25% of 4 decks +13% synergy
Golgari Signet
25% of 4 decks +12% synergy
Mind Stone
25% of 8 decks +8% synergy
Dimir Signet
25% of 4 decks -5% synergy
Talisman of Dominance
25% of 4 decks -6% synergy
Talisman of Unity
20% of 5 decks +13% synergy
Talisman of Impulse
20% of 5 decks +11% synergy
Gruul Signet
20% of 5 decks +8% synergy
Talisman of Progress
20% of 5 decks -3% synergy
Izzet Signet
20% of 5 decks -8% synergy
Talisman of Creativity
20% of 5 decks -9% synergy
Decanter of Endless Water
17% of 6 decks +12% synergy
Mox Amber
12% of 8 decks +8% synergy
Mox Opal
12% of 8 decks +8% synergy
Jeweled Lotus
12% of 8 decks +7% synergy
Mana Vault
12% of 8 decks +6% synergy
Chromatic Lantern
12% of 8 decks +3% synergy
Commander's Sphere
12% of 8 decks -3% synergy
Thought Vessel
12% of 8 decks -4% synergy
Lands
Command Tower
100% of 8 decks +26% synergy
Temple Garden
80% of 5 decks +40% synergy
Hallowed Fountain
80% of 5 decks +39% synergy
Watery Grave
75% of 4 decks +34% synergy
Breeding Pool
75% of 8 decks +34% synergy
Overgrown Tomb
75% of 4 decks +33% synergy
Indatha Triome
67% of 3 decks +36% synergy
Ziatora's Proving Ground
67% of 3 decks +35% synergy
Jetmir's Garden
67% of 3 decks +34% synergy
The World Tree
67% of 3 decks +33% synergy
Sacred Foundry
67% of 3 decks +30% synergy
Blood Crypt
67% of 3 decks +28% synergy
Godless Shrine
67% of 3 decks +26% synergy
Misty Rainforest
62% of 8 decks +51% synergy
Exotic Orchard
62% of 8 decks +27% synergy
Savannah
60% of 5 decks +47% synergy
Tundra
60% of 5 decks +46% synergy
Ketria Triome
60% of 5 decks +27% synergy
Steam Vents
60% of 5 decks +21% synergy
Stomping Ground
60% of 5 decks +19% synergy
Promising Vein
50% of 2 decks +49% synergy
Windswept Heath
50% of 8 decks +40% synergy
Flooded Strand
50% of 8 decks +39% synergy
Zagoth Triome
50% of 4 decks +19% synergy
Bountiful Promenade
40% of 5 decks +16% synergy
Spara's Headquarters
40% of 5 decks +8% synergy
Mana Confluence
38% of 8 decks +30% synergy
City of Brass
38% of 8 decks +29% synergy
Wooded Foothills
38% of 8 decks +27% synergy
Scalding Tarn
38% of 8 decks +27% synergy
Polluted Delta
38% of 8 decks +26% synergy
Verdant Catacombs
38% of 8 decks +26% synergy
Tropical Island
38% of 8 decks +23% synergy
Yavimaya Coast
38% of 8 decks +11% synergy
Plateau
33% of 3 decks +21% synergy
Badlands
33% of 3 decks +20% synergy
Scrubland
33% of 3 decks +20% synergy
Raugrin Triome
33% of 3 decks +7% synergy
Savai Triome
33% of 3 decks +6% synergy
Xander's Lounge
33% of 3 decks +6% synergy
Raffine's Tower
33% of 3 decks +6% synergy
Dreamroot Cascade
29% of 7 decks +10% synergy
Blooming Marsh
25% of 4 decks +21% synergy
Gemstone Caverns
25% of 8 decks +20% synergy
Prismatic Vista
25% of 8 decks +20% synergy
Bloodstained Mire
25% of 8 decks +15% synergy
Arid Mesa
25% of 8 decks +14% synergy
Marsh Flats
25% of 8 decks +14% synergy
Bayou
25% of 4 decks +11% synergy
Underground Sea
25% of 4 decks +11% synergy