Mairsil, the Pretender + Ventifact Bottle + Magistrate's Scepter + Horseshoe Crab
Mairsil, the Pretender
Ventifact Bottle
Magistrate's Scepter
Horseshoe Crab
Requires
Mairsil, the Pretender must be on the battlefield.
Ventifact Bottle must be in exile.
Magistrate's Scepter must be in exile.
Horseshoe Crab must be in exile.
Mairsil does not have summoning sickness.
Mana needed: 
each turn
each turn
Steps
- Activate Mairsil using Ventifact Bottle's ability by paying and tapping it, putting three +1/+1 counters on Mairsil.
- Activate Mairsil using Horseshoe Crab's ability by paying , untapping itself.
- Activate Mairsil using Magistrate's Scepter's last ability by tapping it, gaining an extra turn after this one.
- Move to your next turn.
- Repeat.
Results
Infinite turns.
Mairsil, the Pretender
1.21% of 1576 decks
19 decks
High Synergy Cards
Aetherling
89% of 19 decks
+89% synergy
Quicksilver Elemental
84% of 19 decks
+84% synergy
Endling
84% of 19 decks
+84% synergy
Torchling
79% of 19 decks
+78% synergy
Asmodeus the Archfiend
78% of 18 decks
+77% synergy
Arcanis the Omnipotent
74% of 19 decks
+72% synergy
Soliton
68% of 19 decks
+68% synergy
Pili-Pala
68% of 19 decks
+68% synergy
Staff of Domination
68% of 19 decks
+68% synergy
Nevinyrral's Disk
68% of 19 decks
+67% synergy
Top Cards
Hateflayer
63% of 19 decks
+63% synergy
Gilded Lotus
63% of 19 decks
+59% synergy
Anger
63% of 19 decks
+54% synergy
Oriq Loremage
61% of 18 decks
+60% synergy
Tree of Perdition
58% of 19 decks
+57% synergy
Ghostly Flicker
58% of 19 decks
+51% synergy
Sage of Hours
53% of 19 decks
+52% synergy
Anthroplasm
53% of 19 decks
+52% synergy
Spikeshot Elder
53% of 19 decks
+52% synergy
Pack Rat
53% of 19 decks
+51% synergy
Creatures
Blood Vassal
47% of 19 decks
+47% synergy
Morphling
47% of 19 decks
+47% synergy
Triskelion
47% of 19 decks
+47% synergy
Cavern Harpy
47% of 19 decks
+47% synergy
Goro-Goro, Disciple of Ryusei
44% of 18 decks
+43% synergy
Amaranthine Wall
42% of 19 decks
+42% synergy
Shauku, Endbringer
42% of 19 decks
+42% synergy
Avatar of Woe
42% of 19 decks
+42% synergy
Ovinomancer
37% of 19 decks
+37% synergy
Cephalid Inkshrouder
37% of 19 decks
+37% synergy
Jace's Archivist
37% of 19 decks
+30% synergy
Blighted Bat
32% of 19 decks
+31% synergy
Mirror-Mad Phantasm
32% of 19 decks
+31% synergy
Blood Pet
32% of 19 decks
+31% synergy
Deadeye Navigator
32% of 19 decks
+30% synergy
Farmstead Gleaner
26% of 19 decks
+26% synergy
Knacksaw Clique
26% of 19 decks
+26% synergy
Skyship Stalker
26% of 19 decks
+26% synergy
Grinning Ignus
26% of 19 decks
+26% synergy
Argent Sphinx
26% of 19 decks
+26% synergy
Deathbringer Thoctar
26% of 19 decks
+26% synergy
Walking Ballista
26% of 19 decks
+26% synergy
Argivian Avenger
25% of 12 decks
+25% synergy
Arco-Flagellant
23% of 13 decks
+23% synergy
Patron of the Moon
21% of 19 decks
+21% synergy
Cinderhaze Wretch
21% of 19 decks
+21% synergy
Crystalline Crawler
21% of 19 decks
+21% synergy
Minion of Leshrac
21% of 19 decks
+21% synergy
Mercurial Chemister
21% of 19 decks
+21% synergy
Duskmantle Guildmage
21% of 19 decks
+20% synergy
Doom Whisperer
21% of 19 decks
+20% synergy
Thassa, Deep-Dwelling
21% of 19 decks
+18% synergy
Spark Double
21% of 19 decks
+12% synergy
Leech Bonder
16% of 19 decks
+16% synergy
Myr Propagator
16% of 19 decks
+16% synergy
Visara the Dreadful
16% of 19 decks
+16% synergy
Grand Architect
16% of 19 decks
+16% synergy
Magus of the Bazaar
16% of 19 decks
+16% synergy
Skirge Familiar
16% of 19 decks
+16% synergy
Eater of the Dead
16% of 19 decks
+16% synergy
Instants
Frantic Search
53% of 19 decks
+39% synergy
Blur
44% of 18 decks
+43% synergy
Essence Flux
37% of 19 decks
+34% synergy
Fact or Fiction
37% of 19 decks
+25% synergy
Counterspell
37% of 19 decks
-8% synergy
Izzet Charm
32% of 19 decks
+29% synergy
Negate
32% of 19 decks
+8% synergy
Planar Incision
28% of 18 decks
+26% synergy
Teferi's Time Twist
26% of 19 decks
+25% synergy
Hostile Negotiations
25% of 12 decks
+24% synergy
Thirst for Knowledge
21% of 19 decks
+18% synergy
Entomb
21% of 19 decks
+15% synergy
Thrill of Possibility
21% of 19 decks
+13% synergy
Arcane Denial
21% of 19 decks
-7% synergy
Forbidden Alchemy
16% of 19 decks
+14% synergy
Dispel
16% of 19 decks
+12% synergy
Bedevil
16% of 19 decks
-6% synergy
Terminate
16% of 19 decks
-12% synergy
Sorceries
Faithless Looting
47% of 19 decks
+28% synergy
Buried Alive
32% of 19 decks
+28% synergy
Unmarked Grave
28% of 18 decks
+26% synergy
Irenicus's Vile Duplication
28% of 18 decks
+25% synergy
Blasphemous Act
26% of 19 decks
-23% synergy
Final Parting
21% of 19 decks
+20% synergy
Cathartic Reunion
21% of 19 decks
+19% synergy
Consuming Tide
17% of 18 decks
+16% synergy
Tormenting Voice
16% of 19 decks
+15% synergy
Fabricate
16% of 19 decks
+12% synergy
Diabolic Tutor
16% of 19 decks
+10% synergy
Demonic Tutor
16% of 19 decks
-8% synergy
Feed the Swarm
16% of 19 decks
-20% synergy
Utility Artifacts
Pendant of Prosperity
47% of 19 decks
+47% synergy
Conjurer's Closet
37% of 19 decks
+33% synergy
Battlemage's Bracers
33% of 18 decks
+33% synergy
Illusionist's Bracers
32% of 19 decks
+31% synergy
Swiftfoot Boots
32% of 19 decks
+6% synergy
Encroaching Mycosynth
30% of 10 decks
+29% synergy
Heartstone
26% of 19 decks
+26% synergy
Lithoform Engine
26% of 19 decks
+22% synergy
Titan Forge
21% of 19 decks
+21% synergy
Lux Cannon
21% of 19 decks
+21% synergy
Thousand-Year Elixir
21% of 19 decks
+20% synergy
Rings of Brighthearth
21% of 19 decks
+20% synergy
Mindcrank
21% of 19 decks
+19% synergy
Chimeric Mass
16% of 19 decks
+16% synergy
Otherworld Atlas
16% of 19 decks
+15% synergy
Crystal Shard
16% of 19 decks
+15% synergy
Mirage Mirror
16% of 19 decks
+14% synergy
Trading Post
16% of 19 decks
+13% synergy
Lightning Greaves
16% of 19 decks
-14% synergy
Enchantments
Freed from the Real
21% of 19 decks
+21% synergy
Training Grounds
21% of 19 decks
+20% synergy
Sneak Attack
21% of 19 decks
+15% synergy
Utility Lands
Riptide Laboratory
37% of 19 decks
+33% synergy
Sanctum of Eternity
16% of 19 decks
+15% synergy
Command Beacon
16% of 19 decks
+11% synergy
Vault of Whispers
16% of 19 decks
+10% synergy
Great Furnace
16% of 19 decks
+10% synergy
Seat of the Synod
16% of 19 decks
+10% synergy
Bojuka Bog
16% of 19 decks
-10% synergy
Mana Artifacts
Sol Ring
63% of 19 decks
-28% synergy
Arcane Signet
58% of 19 decks
-30% synergy
Basalt Monolith
47% of 19 decks
+45% synergy
Coveted Jewel
37% of 19 decks
+36% synergy
Dimir Signet
37% of 19 decks
-7% synergy
Empowered Autogenerator
32% of 19 decks
+31% synergy
Rakdos Signet
32% of 19 decks
-11% synergy
Izzet Signet
26% of 19 decks
-14% synergy
Patriar's Seal
22% of 18 decks
+21% synergy
Fellwar Stone
21% of 19 decks
-14% synergy
Talisman of Indulgence
21% of 19 decks
-19% synergy
Talisman of Creativity
21% of 19 decks
-24% synergy
Talisman of Dominance
21% of 19 decks
-26% synergy
Gemstone Array
16% of 19 decks
+16% synergy
Coalition Relic
16% of 19 decks
+15% synergy
Everflowing Chalice
16% of 19 decks
+12% synergy
Thran Dynamo
16% of 19 decks
+10% synergy
Lands
Command Tower
84% of 19 decks
-8% synergy
Crumbling Necropolis
74% of 19 decks
+15% synergy
Exotic Orchard
47% of 19 decks
-10% synergy
Terramorphic Expanse
42% of 19 decks
+18% synergy
Evolving Wilds
42% of 19 decks
+15% synergy
Maestros Theater
39% of 18 decks
+25% synergy
Smoldering Marsh
26% of 19 decks
-13% synergy
Sunken Hollow
26% of 19 decks
-16% synergy
Temple of Epiphany
21% of 19 decks
+4% synergy
Path of Ancestry
21% of 19 decks
-11% synergy
Luxury Suite
21% of 19 decks
-13% synergy
Grixis Panorama
16% of 19 decks
+10% synergy
Temple of Malice
16% of 19 decks
+2% synergy
Rakdos Carnarium
16% of 19 decks
+1% synergy
Izzet Boilerworks
16% of 19 decks
+1% synergy
Temple of Deceit
16% of 19 decks
+0% synergy
Choked Estuary
16% of 19 decks
-2% synergy
Sulfurous Springs
16% of 19 decks
-8% synergy
Shivan Reef
16% of 19 decks
-12% synergy
Drowned Catacomb
16% of 19 decks
-24% synergy