Magosi, the Waterveil + Nesting Grounds + Atraxa, Praetors' Voice

Magosi, the Waterveil
Nesting Grounds
Atraxa, Praetors' Voice

Requires
Magosi, the Waterveil must be on the battlefield. Nesting Grounds must be on the battlefield. Atraxa, Praetors' Voice must be on the battlefield. Magosi, the Waterveil has at least two eon counters on it. Magosi is untapped.
Steps
  1. Activate Nesting Grounds's last ability by paying 1 and tapping it, moving an eon counter from Magosi to Nesting Grounds.
  2. Activate Magosi's last ability by tapping it, removing an eon counter from it, and returning it from the battlefield to your hand, taking an extra turn after this one.
  3. Play Magosi.
  4. At the beginning of your end step, Atraxa triggers, causing you to proliferate, putting an additional eon counter on Nesting Grounds.
  5. On your next extra turn, activate Nesting Grounds's last ability by paying 1 and tapping it, moving an eon counter from Nesting Grounds to Magosi.
  6. Repeat from step 2.
Results
Infinite turns.

Atraxa, Praetors' Voice
0.55% of 35211 decks 193 decks
Atraxa, Grand Unifier
0.02% of 14209 decks 3 decks
Garth One-Eye
0.02% of 4123 decks 1 decks
Morophon, the Boundless
0.01% of 9863 decks 1 decks
Kenrith, the Returned King
0.00% of 21513 decks 1 decks
Esika, God of the Tree
0.01% of 17767 decks 1 decks
High Synergy Cards
Tekuthal, Inquiry Dominus
78% of 173 decks +75% synergy
Bloodroot Apothecary
77% of 13 decks +73% synergy
Karn's Bastion
77% of 200 decks +72% synergy
Innkeeper's Talent
72% of 18 decks +63% synergy
Vraska, Betrayal's Sting
61% of 178 decks +58% synergy
Contagion Engine
58% of 200 decks +57% synergy
Evolution Sage
63% of 200 decks +56% synergy
Ezuri, Stalker of Spheres
58% of 178 decks +55% synergy
Magistrate's Scepter
52% of 200 decks +52% synergy
Prologue to Phyresis
54% of 154 decks +52% synergy
Top Cards
Astral Cornucopia
56% of 200 decks +55% synergy
Dreamtide Whale
53% of 32 decks +49% synergy
Vorinclex, Monstrous Raider
51% of 199 decks +47% synergy
Thrummingbird
50% of 200 decks +46% synergy
Swords to Plowshares
50% of 200 decks -13% synergy
Inexorable Tide
47% of 200 decks +44% synergy
Tezzeret's Gambit
46% of 200 decks +42% synergy
Metastatic Evangel
45% of 38 decks +42% synergy
Infectious Inquiry
42% of 173 decks +40% synergy
Farseek
40% of 200 decks +5% synergy
Creatures
Deepglow Skate
32% of 200 decks +29% synergy
Pollywog Prodigy
31% of 13 decks +18% synergy
Ixhel, Scion of Atraxa
30% of 174 decks +26% synergy
Venerated Rotpriest
30% of 178 decks +28% synergy
Ichor Rats
28% of 200 decks +27% synergy
Cankerbloom
28% of 173 decks +21% synergy
Flux Channeler
28% of 200 decks +25% synergy
Blightbelly Rat
26% of 154 decks +24% synergy
Skrelv, Defector Mite
25% of 178 decks +20% synergy
Bloated Contaminator
24% of 178 decks +22% synergy
Birds of Paradise
24% of 200 decks -3% synergy
Blighted Agent
23% of 200 decks +21% synergy
Contaminant Grafter
23% of 173 decks +21% synergy
Phyrexian Swarmlord
22% of 200 decks +21% synergy
Rottenmouth Viper
21% of 14 decks +18% synergy
Lae'zel, Vlaakith's Champion
21% of 190 decks +18% synergy
Viral Drake
21% of 200 decks +20% synergy
Goldberry, River-Daughter
20% of 84 decks +19% synergy
Norn's Choirmaster
20% of 173 decks +18% synergy
Vorel of the Hull Clade
20% of 200 decks +17% synergy
Grateful Apparition
20% of 200 decks +17% synergy
Tainted Observer
19% of 173 decks +17% synergy
Skithiryx, the Blight Dragon
19% of 200 decks +18% synergy
Fathom Mage
19% of 200 decks +15% synergy
Voidwing Hybrid
19% of 154 decks +17% synergy
Pir, Imaginative Rascal
18% of 200 decks +18% synergy
Agent Frank Horrigan
18% of 45 decks +14% synergy
Delighted Halfling
18% of 90 decks +4% synergy
Shalai, Voice of Plenty
17% of 200 decks +10% synergy
Crystalline Crawler
16% of 200 decks +16% synergy
Vishgraz, the Doomhive
16% of 154 decks +13% synergy
Toxrill, the Corrosive
15% of 196 decks +12% synergy
Sage of Hours
15% of 200 decks +15% synergy
Phyrexian Censor
15% of 108 decks +13% synergy
Spark Double
14% of 200 decks +7% synergy
Kami of Whispered Hopes
14% of 118 decks +7% synergy
Esper Sentinel
14% of 199 decks -7% synergy
Elesh Norn, Grand Cenobite
14% of 200 decks +8% synergy
Yawgmoth, Thran Physician
14% of 200 decks +10% synergy
Bloom Tender
14% of 200 decks +5% synergy
Evolution Witness
13% of 38 decks +9% synergy
Plague Stinger
13% of 200 decks +12% synergy
Winding Constrictor
13% of 200 decks +9% synergy
Atraxa, Grand Unifier
12% of 173 decks +6% synergy
Carth the Lion
12% of 199 decks +11% synergy
Viridian Corrupter
12% of 200 decks +11% synergy
Myojin of Towering Might
11% of 196 decks +11% synergy
Brimaz, Blight of Oreskos
11% of 118 decks +10% synergy
Arwen, Mortal Queen
11% of 84 decks +9% synergy
Forgotten Ancient
10% of 200 decks +5% synergy
Instants
Counterspell
36% of 200 decks -7% synergy
Atomize
31% of 45 decks +25% synergy
Vraska's Fall
30% of 173 decks +27% synergy
Infectious Bite
27% of 173 decks +24% synergy
Cyclonic Rift
26% of 200 decks -2% synergy
Teferi's Protection
25% of 200 decks +5% synergy
Vampiric Tutor
24% of 200 decks +6% synergy
Radstorm
24% of 63 decks +22% synergy
Ripples of Potential
23% of 57 decks +19% synergy
Mutational Advantage
22% of 45 decks +16% synergy
Heroic Intervention
18% of 200 decks -12% synergy
Path to Exile
18% of 200 decks -28% synergy
Experimental Augury
17% of 174 decks +13% synergy
Mana Drain
16% of 200 decks +0% synergy
Brokers Confluence
15% of 193 decks +13% synergy
Assassin's Trophy
15% of 200 decks -15% synergy
Reject Imperfection
15% of 154 decks +14% synergy
Enlightened Tutor
14% of 200 decks -3% synergy
Negate
14% of 200 decks -9% synergy
Fuel for the Cause
12% of 200 decks +11% synergy
Fierce Guardianship
12% of 200 decks -6% synergy
Revitalizing Repast
11% of 38 decks -2% synergy
Steady Progress
10% of 200 decks +10% synergy
Worldly Tutor
10% of 200 decks -4% synergy
Anguished Unmaking
10% of 200 decks -14% synergy
Bring the Ending
10% of 154 decks +9% synergy
Tainted Strike
10% of 200 decks +8% synergy
Mortify
10% of 200 decks -3% synergy
Beast Within
10% of 200 decks -29% synergy
Serum Snare
9% of 154 decks +8% synergy
Mystical Tutor
9% of 200 decks -6% synergy
Dovin's Veto
9% of 200 decks -10% synergy
Grim Affliction
8% of 200 decks +7% synergy
Crop Rotation
8% of 200 decks -2% synergy
Putrefy
8% of 200 decks -8% synergy
Swan Song
8% of 200 decks -9% synergy
An Offer You Can't Refuse
8% of 193 decks -13% synergy
Generous Gift
8% of 200 decks -18% synergy
Force of Will
7% of 200 decks -4% synergy
Brainstorm
7% of 200 decks -14% synergy
Void Rend
7% of 193 decks -8% synergy
Noxious Revival
6% of 200 decks +1% synergy
Force of Negation
6% of 200 decks -3% synergy
Whisper of the Dross
6% of 173 decks +4% synergy
Inspiring Call
6% of 200 decks -2% synergy
Arcane Denial
6% of 200 decks -14% synergy
Permission Denied
5% of 57 decks +2% synergy
Contractual Safeguard
5% of 193 decks +5% synergy
Sorceries
Cultivate
33% of 200 decks -13% synergy
Phyresis Outbreak
32% of 173 decks +31% synergy
Demonic Tutor
29% of 200 decks +7% synergy
Unnatural Restoration
28% of 173 decks +24% synergy
Nature's Lore
22% of 200 decks -10% synergy
Drown in Ichor
21% of 173 decks +19% synergy
Contentious Plan
20% of 200 decks +18% synergy
Thirsting Roots
18% of 173 decks +16% synergy
Three Visits
18% of 200 decks -7% synergy
Kodama's Reach
18% of 200 decks -14% synergy
Rampant Growth
16% of 200 decks -19% synergy
Supreme Verdict
15% of 200 decks +1% synergy
White Sun's Twilight
15% of 178 decks +11% synergy
Farewell
14% of 196 decks +1% synergy
Damn
13% of 199 decks -4% synergy
Grim Tutor
12% of 200 decks +8% synergy
Expand the Sphere
12% of 173 decks +10% synergy
Damning Verdict
11% of 193 decks +9% synergy
Planewide Celebration
10% of 200 decks +10% synergy
Triumph of the Hordes
10% of 200 decks +7% synergy
Eerie Ultimatum
10% of 199 decks -3% synergy
Diabolic Tutor
10% of 200 decks +4% synergy
Vat Emergence
10% of 173 decks +9% synergy
Merciless Eviction
10% of 200 decks +5% synergy
Toxic Deluge
9% of 200 decks -8% synergy
Nuclear Fallout
9% of 45 decks +6% synergy
Wrath of God
8% of 200 decks +2% synergy
Austere Command
8% of 200 decks -5% synergy
Sunfall
8% of 117 decks +6% synergy
Sylvan Scrying
7% of 200 decks +4% synergy
Idyllic Tutor
6% of 200 decks +2% synergy
Skyshroud Claim
6% of 200 decks -3% synergy
Vivisurgeon's Insight
6% of 154 decks +6% synergy
Geth's Summons
6% of 173 decks +5% synergy
Tempt with Discovery
6% of 200 decks +2% synergy
Night's Whisper
6% of 200 decks -4% synergy
Carnivorous Canopy
5% of 173 decks +4% synergy
Utility Artifacts
Ichormoon Gauntlet
25% of 173 decks +23% synergy
Lightning Greaves
25% of 200 decks -0% synergy
Contagion Clasp
24% of 200 decks +23% synergy
Sword of Truth and Justice
24% of 200 decks +22% synergy
Lux Cannon
16% of 200 decks +16% synergy
The Ozolith
16% of 199 decks +12% synergy
The Chain Veil
16% of 200 decks +15% synergy
Ozolith, the Shattered Spire
15% of 115 decks +9% synergy
The Millennium Calendar
14% of 63 decks +13% synergy
Rings of Brighthearth
14% of 200 decks +12% synergy
Swiftfoot Boots
12% of 200 decks -16% synergy
Lithoform Engine
10% of 199 decks +9% synergy
Grafted Exoskeleton
9% of 200 decks +8% synergy
The Great Henge
9% of 200 decks -1% synergy
Norn's Annex
8% of 200 decks +6% synergy
The One Ring
8% of 124 decks -1% synergy
Power Fist
7% of 45 decks +4% synergy
Expedition Map
6% of 200 decks +3% synergy
Sensei's Divining Top
6% of 200 decks +0% synergy
Power Conduit
6% of 200 decks +5% synergy
Umezawa's Jitte
6% of 200 decks +5% synergy
Isochron Scepter
6% of 200 decks +3% synergy
Agent's Toolkit
5% of 193 decks +4% synergy
Realmbreaker, the Invasion Tree
5% of 118 decks +4% synergy
Enchantments
Brokers Ascendancy
32% of 193 decks +24% synergy
Doubling Season
31% of 200 decks +22% synergy
Rhystic Study
28% of 200 decks -0% synergy
Norn's Decree
27% of 173 decks +25% synergy
Smothering Tithe
24% of 200 decks -2% synergy
Simic Ascendancy
18% of 200 decks +13% synergy
Oath of Teferi
18% of 200 decks +14% synergy
As Foretold
17% of 200 decks +15% synergy
Resourceful Defense
17% of 193 decks +15% synergy
Phyrexian Arena
16% of 200 decks +1% synergy
Skrelv's Hive
14% of 178 decks +11% synergy
Sylvan Library
13% of 200 decks +1% synergy
Mystic Remora
13% of 200 decks -5% synergy
Dawn of a New Age
12% of 81 decks +11% synergy
Ghostly Prison
12% of 200 decks +0% synergy
Cathars' Crusade
12% of 200 decks +6% synergy
Propaganda
11% of 200 decks -1% synergy
Hardened Scales
10% of 200 decks +2% synergy
Oath of Nissa
10% of 200 decks +9% synergy
Court of Garenbrig
9% of 70 decks +5% synergy
Mirari's Wake
8% of 200 decks -6% synergy
Oath of Ajani
6% of 200 decks +6% synergy
Phyrexian Awakening
6% of 112 decks +5% synergy
Corrupted Conscience
6% of 200 decks +5% synergy
Necrogen Communion
6% of 154 decks +5% synergy
Four Knocks
6% of 72 decks +5% synergy
Sculpted Perfection
6% of 108 decks +5% synergy
Virtue of Loyalty
6% of 72 decks +3% synergy
Ominous Seas
6% of 199 decks +3% synergy
Out of the Tombs
5% of 183 decks +4% synergy
Branching Evolution
5% of 199 decks -0% synergy
Planeswalkers
Ajani, Sleeper Agent
28% of 189 decks +26% synergy
Tamiyo, Field Researcher
22% of 200 decks +18% synergy
Teferi, Temporal Archmage
18% of 200 decks +16% synergy
Narset, Parter of Veils
14% of 200 decks +9% synergy
Oko, Thief of Crowns
14% of 200 decks +8% synergy
Teferi, Master of Time
14% of 199 decks +11% synergy
Teferi, Who Slows the Sunset
13% of 198 decks +11% synergy
Wrenn and Realmbreaker
13% of 124 decks +11% synergy
Ugin, the Spirit Dragon
11% of 200 decks +9% synergy
Nissa, Ascended Animist
11% of 175 decks +9% synergy
Narset Transcendent
10% of 200 decks +9% synergy
Ashiok, Dream Render
10% of 200 decks +5% synergy
Teferi, Hero of Dominaria
9% of 200 decks +7% synergy
Ajani, the Greathearted
9% of 200 decks +6% synergy
Teferi, Time Raveler
9% of 200 decks +2% synergy
Kaya the Inexorable
9% of 199 decks +7% synergy
Elspeth, Sun's Champion
8% of 200 decks +3% synergy
Tamiyo, Compleated Sage
8% of 196 decks +6% synergy
Ajani Steadfast
8% of 200 decks +7% synergy
Liliana, Dreadhorde General
8% of 200 decks +4% synergy
Jace, Cunning Castaway
7% of 200 decks +7% synergy
Aminatou, the Fateshifter
7% of 200 decks +4% synergy
Liliana Vess
6% of 200 decks +6% synergy
The Eternal Wanderer
6% of 178 decks +3% synergy
Kasmina, Enigma Sage
6% of 199 decks +5% synergy
Tamiyo, the Moon Sage
6% of 200 decks +5% synergy
Tezzeret the Seeker
6% of 200 decks +3% synergy
Jace, Unraveler of Secrets
6% of 200 decks +5% synergy
Elspeth, Knight-Errant
6% of 200 decks +5% synergy
Vraska the Unseen
6% of 200 decks +4% synergy
Teferi, Temporal Pilgrim
5% of 182 decks +3% synergy
Vronos, Masked Inquisitor
5% of 76 decks +4% synergy
Utility Lands
Dreadship Reef
24% of 200 decks +23% synergy
Saltcrusted Steppe
23% of 200 decks +22% synergy
Reliquary Tower
22% of 200 decks -7% synergy
Calciform Pools
22% of 200 decks +21% synergy
Gavony Township
20% of 200 decks +10% synergy
Yavimaya, Cradle of Growth
20% of 199 decks +10% synergy
Inkmoth Nexus
20% of 200 decks +19% synergy
Urborg, Tomb of Yawgmoth
18% of 200 decks +9% synergy
Rogue's Passage
18% of 200 decks -2% synergy
Boseiju, Who Endures
15% of 196 decks -4% synergy
Bojuka Bog
14% of 200 decks -17% synergy
Otawara, Soaring City
13% of 196 decks -4% synergy
Llanowar Reborn
12% of 200 decks +10% synergy
Saprazzan Skerry
12% of 200 decks +12% synergy
Drannith Ruins
11% of 98 decks +11% synergy
Diamond City
11% of 45 decks +10% synergy
Hickory Woodlot
11% of 200 decks +11% synergy
Interplanar Beacon
11% of 200 decks +10% synergy
Temple of the False God
11% of 200 decks +1% synergy
Remote Farm
10% of 200 decks +9% synergy
Peat Bog
9% of 200 decks +9% synergy
Tyrite Sanctum
8% of 199 decks +6% synergy
Trenzalore Clocktower
8% of 66 decks +6% synergy
Maze of Ith
8% of 200 decks +5% synergy
Thespian's Stage
7% of 200 decks +4% synergy
Ancient Tomb
7% of 200 decks -4% synergy
Blast Zone
6% of 200 decks +5% synergy
Mage-Ring Network
6% of 200 decks +5% synergy
Great Hall of the Citadel
6% of 85 decks +5% synergy
Minas Morgul, Dark Fortress
6% of 68 decks +4% synergy
Mana Artifacts
Sol Ring
80% of 200 decks -4% synergy
Arcane Signet
64% of 200 decks -8% synergy
Chromatic Lantern
44% of 200 decks +34% synergy
Everflowing Chalice
38% of 200 decks +33% synergy
Glistening Sphere
30% of 173 decks +29% synergy
Replicating Ring
30% of 199 decks +28% synergy
Staff of Compleation
20% of 174 decks +19% synergy
Fellwar Stone
15% of 200 decks -6% synergy
Pentad Prism
12% of 200 decks +12% synergy
Empowered Autogenerator
12% of 200 decks +11% synergy
Mana Crypt
10% of 200 decks +1% synergy
Commander's Sphere
10% of 200 decks -6% synergy
Coalition Relic
9% of 200 decks +8% synergy
Strixhaven Stadium
6% of 199 decks +5% synergy
Pyramid of the Pantheon
6% of 200 decks +6% synergy
Phyrexian Atlas
5% of 154 decks +5% synergy
Chromatic Orrery
5% of 199 decks +3% synergy
Lands
Command Tower
87% of 200 decks +13% synergy
Exotic Orchard
54% of 200 decks +18% synergy
Breeding Pool
42% of 200 decks +1% synergy
Indatha Triome
41% of 199 decks +10% synergy
Temple Garden
40% of 200 decks -0% synergy
Spara's Headquarters
40% of 193 decks +8% synergy
Zagoth Triome
39% of 199 decks +8% synergy
Hallowed Fountain
38% of 200 decks -2% synergy
Overgrown Tomb
38% of 200 decks -5% synergy
Misty Rainforest
36% of 200 decks +25% synergy
Raffine's Tower
36% of 193 decks +8% synergy
Godless Shrine
36% of 200 decks -5% synergy
Watery Grave
35% of 200 decks -6% synergy
Marsh Flats
31% of 200 decks +20% synergy
Verdant Catacombs
30% of 200 decks +19% synergy
Windswept Heath
30% of 200 decks +19% synergy
Path of Ancestry
27% of 200 decks +6% synergy
Flooded Strand
26% of 200 decks +15% synergy
Polluted Delta
25% of 200 decks +14% synergy
Vivid Meadow
24% of 200 decks +24% synergy
Vivid Grove
24% of 200 decks +23% synergy
Sandsteppe Citadel
24% of 200 decks -1% synergy
Arcane Sanctum
24% of 200 decks -3% synergy
Vivid Creek
24% of 200 decks +23% synergy
Reflecting Pool
24% of 200 decks +19% synergy
Opulent Palace
23% of 200 decks -4% synergy
Seaside Citadel
22% of 200 decks -4% synergy
Gemstone Mine
20% of 200 decks +20% synergy
Vivid Marsh
20% of 200 decks +20% synergy
Rejuvenating Springs
17% of 199 decks -12% synergy
City of Brass
16% of 200 decks +8% synergy
Undergrowth Stadium
16% of 199 decks -11% synergy
Mana Confluence
16% of 200 decks +8% synergy
Evolving Wilds
16% of 200 decks -5% synergy
Terramorphic Expanse
15% of 200 decks -1% synergy
The Seedcore
14% of 175 decks +14% synergy
Bountiful Promenade
14% of 200 decks -10% synergy
Bayou
14% of 200 decks -0% synergy
Sea of Clouds
13% of 200 decks -13% synergy
Canopy Vista
13% of 200 decks -23% synergy
Scrubland
12% of 200 decks -1% synergy
Opal Palace
12% of 200 decks +9% synergy
Savannah
12% of 200 decks -1% synergy
Tundra
12% of 200 decks -2% synergy
Underground Sea
12% of 200 decks -2% synergy
Tropical Island
12% of 200 decks -3% synergy
Morphic Pool
11% of 200 decks -15% synergy
Mirrex
11% of 178 decks +10% synergy
Vault of Champions
11% of 199 decks -15% synergy
Myriad Landscape
10% of 200 decks -9% synergy