Shirei, Shizo's Caretaker + Coretapper + Magistrate's Scepter

Shirei, Shizo's Caretaker
Coretapper
Magistrate's Scepter

Requires
Shirei, Shizo's Caretaker must be on the battlefield. Coretapper must be on the battlefield. Magistrate's Scepter must be on the battlefield. Coretapper does not have summoning sickness.
Steps
  1. Activate Coretapper's first ability by tapping it, putting a charge counter on Magistrate's Scepter.
  2. Activate Coretapper's second ability by sacrificing it.
  3. When Coretapper dies, Shirei triggers, creating a delayed triggered ability.
  4. Resolve Coretapper's ability, putting two charge counters on Magistrate's Scepter.
  5. Activate Magistrate's Scepter's second ability by tapping it and removing three charge counters from it, taking an extra turn after this one.
  6. At the beginning of your end step, Shirei's delayed ability from step 3 triggers, returning Coretapper from your graveyard to the battlefield.
  7. Repeat each turn.
Results
Infinite turns.

Top Commanders (1)
Shirei, Shizo's Caretaker
5.57% of 4881 decks 272 decks
High Synergy Cards (8)
Unscrupulous Agent
86% of 14 decks +86% synergy
Blasphemous Act
100% of 4 decks +84% synergy
Viscera Seer
87% of 287 decks +82% synergy
Zulaport Cutthroat
87% of 287 decks +81% synergy
Greedy Freebooter
80% of 55 decks +79% synergy
Serrated Scorpion
74% of 285 decks +73% synergy
Blood Artist
79% of 287 decks +73% synergy
Bone Shredder
72% of 287 decks +72% synergy
Top Cards (10)
Sakura-Tribe Elder
71% of 7 decks +62% synergy
Dusk Legion Zealot
70% of 287 decks +69% synergy
Ashnod's Altar
69% of 287 decks +61% synergy
Shambling Ghast
66% of 276 decks +65% synergy
Dark Ritual
66% of 287 decks +55% synergy
Blood Pet
65% of 287 decks +65% synergy
Skyscanner
65% of 286 decks +65% synergy
Feed the Swarm
65% of 282 decks +55% synergy
Cadaver Imp
63% of 287 decks +63% synergy
Swiftfoot Boots
62% of 287 decks +34% synergy
Creatures (50)
Cankerbloom
75% of 4 decks +71% synergy
Carrion Feeder
61% of 287 decks +58% synergy
Pitiless Plunderer
61% of 287 decks +57% synergy
Big Game Hunter
60% of 287 decks +59% synergy
Abyssal Gatekeeper
60% of 287 decks +59% synergy
Ayara, First of Locthwain
59% of 286 decks +57% synergy
Novice Occultist
59% of 270 decks +58% synergy
Skullport Merchant
57% of 276 decks +57% synergy
Syr Konrad, the Grim
56% of 286 decks +52% synergy
Grim Haruspex
56% of 287 decks +53% synergy
Pilgrim's Eye
53% of 287 decks +52% synergy
Clattering Augur
48% of 278 decks +48% synergy
Sling-Gang Lieutenant
47% of 286 decks +46% synergy
Disciple of Perdition
46% of 171 decks +46% synergy
Burglar Rat
46% of 286 decks +46% synergy
Fume Spitter
45% of 287 decks +45% synergy
Virus Beetle
44% of 250 decks +43% synergy
Snarling Gorehound
44% of 16 decks +43% synergy
Morbid Opportunist
44% of 270 decks +41% synergy
Priest of Forgotten Gods
43% of 286 decks +42% synergy
Hermit Druid
43% of 7 decks +42% synergy
Skull Prophet
43% of 7 decks +42% synergy
Gray Merchant of Asphodel
43% of 287 decks +38% synergy
Leaden Myr
43% of 287 decks +41% synergy
Yarok's Fenlurker
41% of 286 decks +41% synergy
Bloodthrone Vampire
41% of 287 decks +41% synergy
Pawn of Ulamog
40% of 287 decks +39% synergy
Mindless Automaton
40% of 287 decks +39% synergy
Tattered Mummy
39% of 287 decks +39% synergy
Reassembling Skeleton
36% of 287 decks +34% synergy
Dockside Chef
34% of 255 decks +33% synergy
Nezumi Informant
32% of 137 decks +32% synergy
Weaponcraft Enthusiast
32% of 287 decks +32% synergy
Soldevi Adnate
31% of 287 decks +30% synergy
Bottle Gnomes
30% of 287 decks +30% synergy
Doomed Dissenter
30% of 287 decks +30% synergy
Perilous Myr
29% of 287 decks +28% synergy
Smothering Abomination
29% of 287 decks +28% synergy
Vein Ripper
29% of 21 decks +27% synergy
Elderfang Disciple
28% of 279 decks +28% synergy
Drivnod, Carnage Dominus
25% of 152 decks +23% synergy
Thoughtpicker Witch
24% of 287 decks +24% synergy
Elvish Doomsayer
24% of 282 decks +24% synergy
Orcish Bowmasters
23% of 98 decks +17% synergy
Gleaming Barrier
22% of 287 decks +22% synergy
Basal Thrull
21% of 287 decks +21% synergy
Skittering Surveyor
21% of 287 decks +21% synergy
Dutiful Attendant
21% of 287 decks +20% synergy
Butcher of Malakir
21% of 287 decks +19% synergy
Ornithopter of Paradise
20% of 277 decks +15% synergy
Instants (37)
Cyclonic Rift
75% of 4 decks +61% synergy
Village Rites
61% of 282 decks +55% synergy
Tragic Slip
59% of 287 decks +57% synergy
Enlightened Tutor
50% of 6 decks +42% synergy
Corrupted Conviction
44% of 137 decks +41% synergy
Shared Summons
43% of 7 decks +42% synergy
Assassin's Trophy
43% of 7 decks +37% synergy
Deadly Dispute
39% of 276 decks +34% synergy
Plumb the Forbidden
34% of 278 decks +32% synergy
Defile
31% of 286 decks +30% synergy
Body Count
24% of 229 decks +24% synergy
Not Dead After All
23% of 64 decks +21% synergy
Vampiric Tutor
22% of 287 decks +12% synergy
Malakir Rebirth
22% of 282 decks +17% synergy
Armor of Shadows
21% of 204 decks +21% synergy
Culling the Weak
21% of 287 decks +19% synergy
Infernal Grasp
21% of 270 decks +16% synergy
Undying Malice
17% of 260 decks +16% synergy
Reckoner's Bargain
17% of 250 decks +16% synergy
Altar's Reap
15% of 287 decks +15% synergy
Costly Plunder
15% of 287 decks +14% synergy
Mausoleum Secrets
14% of 286 decks +14% synergy
Professor's Warning
14% of 278 decks +14% synergy
Go for the Throat
14% of 287 decks +10% synergy
Feign Death
13% of 276 decks +12% synergy
Nasty End
11% of 98 decks +10% synergy
Supernatural Stamina
10% of 287 decks +9% synergy
Imp's Mischief
10% of 287 decks +9% synergy
Thrilling Encore
8% of 286 decks +8% synergy
Wake the Dead
8% of 287 decks +8% synergy
Overwhelming Remorse
8% of 175 decks +7% synergy
Deadly Rollick
7% of 285 decks +2% synergy
Murder
7% of 287 decks +5% synergy
Fake Your Own Death
7% of 226 decks +6% synergy
Doom Blade
6% of 287 decks +5% synergy
Cabal Ritual
6% of 287 decks +3% synergy
Fanatical Offering
5% of 55 decks +4% synergy
Sorceries (35)
Farseek
57% of 7 decks +41% synergy
Three Visits
43% of 7 decks +31% synergy
Kodama's Reach
43% of 7 decks +27% synergy
Rampant Growth
43% of 7 decks +26% synergy
Cultivate
43% of 7 decks +21% synergy
Victimize
40% of 287 decks +35% synergy
Eaten Alive
39% of 270 decks +39% synergy
Bone Shards
32% of 278 decks +31% synergy
Diabolic Intent
31% of 287 decks +27% synergy
Demonic Tutor
25% of 287 decks +13% synergy
Sign in Blood
25% of 287 decks +20% synergy
Spark Harvest
22% of 286 decks +22% synergy
Diabolic Tutor
22% of 287 decks +18% synergy
Mutilate
19% of 287 decks +18% synergy
Annihilating Glare
18% of 141 decks +18% synergy
Living Death
17% of 287 decks +14% synergy
Toxic Deluge
16% of 287 decks +8% synergy
Dread Return
15% of 287 decks +12% synergy
Unearth
14% of 287 decks +12% synergy
Reanimate
13% of 287 decks +6% synergy
Night's Whisper
11% of 287 decks +7% synergy
Exsanguinate
11% of 287 decks +8% synergy
Read the Bones
11% of 287 decks +6% synergy
Damnation
11% of 287 decks +6% synergy
Grim Tutor
10% of 287 decks +8% synergy
Torment of Hailfire
10% of 287 decks +7% synergy
Bankrupt in Blood
9% of 286 decks +9% synergy
Eliminate the Competition
9% of 287 decks +9% synergy
Bubbling Muck
9% of 287 decks +8% synergy
Bone Splinters
8% of 287 decks +8% synergy
Lash of the Balrog
7% of 99 decks +7% synergy
Beseech the Queen
7% of 287 decks +6% synergy
Lich-Knights' Conquest
6% of 66 decks +4% synergy
Killing Wave
6% of 287 decks +6% synergy
Imperial Seal
6% of 287 decks +3% synergy
Utility Artifacts (24)
Skullclamp
48% of 287 decks +35% synergy
Lightning Greaves
48% of 287 decks +23% synergy
Desecrated Tomb
42% of 286 decks +41% synergy
Phyrexian Altar
32% of 287 decks +27% synergy
Mithril Coat
30% of 108 decks +23% synergy
Bolas's Citadel
26% of 286 decks +21% synergy
Jet Medallion
20% of 287 decks +17% synergy
Lightning Coils
18% of 287 decks +18% synergy
Bontu's Monument
18% of 287 decks +16% synergy
Genesis Chamber
18% of 287 decks +17% synergy
Nim Deathmantle
18% of 287 decks +17% synergy
Spawning Pit
17% of 287 decks +16% synergy
Wayfarer's Bauble
15% of 287 decks +4% synergy
Meekstone
14% of 287 decks +13% synergy
Mask of Avacyn
13% of 287 decks +12% synergy
Vat of Rebirth
13% of 155 decks +11% synergy
Altar of Dementia
12% of 287 decks +9% synergy
Tarrian's Journal
11% of 55 decks +10% synergy
Expedition Map
10% of 287 decks +7% synergy
Weatherlight Compleated
10% of 189 decks +9% synergy
Darksteel Plate
8% of 287 decks +6% synergy
Mirror Shield
6% of 285 decks +5% synergy
Whispersilk Cloak
6% of 287 decks +2% synergy
Tarrian's Soulcleaver
5% of 55 decks +3% synergy
Enchantments (26)
Bastion of Remembrance
57% of 285 decks +54% synergy
Doubling Season
57% of 7 decks +53% synergy
Soul Enervation
56% of 16 decks +56% synergy
Dark Privilege
47% of 287 decks +47% synergy
Agent of the Iron Throne
44% of 218 decks +42% synergy
Growing Rites of Itlimoc
43% of 7 decks +40% synergy
Black Market
36% of 287 decks +33% synergy
Grave Pact
29% of 287 decks +26% synergy
Vampiric Rites
26% of 287 decks +25% synergy
Open the Graves
26% of 286 decks +26% synergy
Dictate of Erebos
25% of 287 decks +22% synergy
Kaya's Ghostform
20% of 286 decks +18% synergy
Blessing of Leeches
19% of 287 decks +19% synergy
Blight Mound
16% of 278 decks +15% synergy
Cultist of the Absolute
15% of 220 decks +15% synergy
Attrition
15% of 287 decks +15% synergy
Dark Prophecy
15% of 287 decks +14% synergy
Gift of Doom
14% of 286 decks +14% synergy
Phyrexian Arena
12% of 287 decks +5% synergy
Contamination
12% of 287 decks +12% synergy
The Meathook Massacre
11% of 270 decks +9% synergy
Necropotence
10% of 287 decks +8% synergy
Phyrexian Reclamation
9% of 287 decks +7% synergy
Soul Channeling
8% of 287 decks +8% synergy
Fallen Ideal
7% of 287 decks +7% synergy
Mind Slash
5% of 287 decks +5% synergy
Planeswalkers (1)
Liliana, Dreadhorde General
7% of 286 decks +5% synergy
Utility Lands (29)
Bojuka Bog
51% of 287 decks +35% synergy
Reliquary Tower
40% of 287 decks +12% synergy
Cabal Coffers
38% of 287 decks +32% synergy
Witch's Cottage
36% of 286 decks +34% synergy
Cabal Stronghold
35% of 287 decks +33% synergy
High Market
33% of 287 decks +29% synergy
Phyrexian Tower
25% of 287 decks +21% synergy
Mortuary Mire
24% of 287 decks +21% synergy
Urborg, Tomb of Yawgmoth
23% of 287 decks +13% synergy
Barren Moor
21% of 287 decks +18% synergy
Westvale Abbey
18% of 287 decks +17% synergy
Crypt of Agadeem
16% of 287 decks +15% synergy
Nykthos, Shrine to Nyx
15% of 287 decks +9% synergy
Castle Locthwain
13% of 286 decks +10% synergy
Hidden Necropolis
13% of 55 decks +12% synergy
Ancient Tomb
12% of 287 decks +1% synergy
Barad-dûr
10% of 98 decks +8% synergy
Command Beacon
10% of 287 decks +5% synergy
Temple of the False God
10% of 287 decks +0% synergy
Takenuma, Abandoned Mire
10% of 258 decks +4% synergy
War Room
10% of 282 decks +3% synergy
Thespian's Stage
9% of 287 decks +7% synergy
Polluted Mire
8% of 287 decks +8% synergy
Ghost Quarter
8% of 287 decks +5% synergy
Buried Ruin
8% of 287 decks +3% synergy
Shizo, Death's Storehouse
6% of 287 decks +4% synergy
Blast Zone
6% of 286 decks +5% synergy
Memorial to Folly
6% of 287 decks +5% synergy
The Dross Pits
5% of 152 decks +5% synergy
Mana Artifacts (15)
Sol Ring
90% of 287 decks +5% synergy
Arcane Signet
57% of 286 decks -13% synergy
Charcoal Diamond
32% of 287 decks +29% synergy
Mind Stone
28% of 287 decks +9% synergy
Thought Vessel
18% of 287 decks +2% synergy
Commander's Sphere
14% of 287 decks -3% synergy
Jeweled Lotus
11% of 282 decks +4% synergy
Mana Crypt
11% of 287 decks -1% synergy
Fellwar Stone
10% of 287 decks -11% synergy
Throne of Eldraine
10% of 60 decks +7% synergy
Crowded Crypt
9% of 270 decks +8% synergy
Springleaf Drum
7% of 287 decks +6% synergy
Mana Vault
7% of 287 decks +0% synergy
Nyx Lotus
6% of 285 decks +5% synergy
Everflowing Chalice
5% of 287 decks +0% synergy
Lands (9)
Overgrown Tomb
71% of 7 decks +62% synergy
Caves of Koilos
50% of 6 decks +44% synergy
Darkbore Pathway
43% of 7 decks +41% synergy
Bayou
43% of 7 decks +40% synergy
Deathcap Glade
43% of 7 decks +40% synergy
Llanowar Wastes
43% of 7 decks +38% synergy
Myriad Landscape
31% of 287 decks +10% synergy
Demolition Field
7% of 175 decks +4% synergy
Command Tower
6% of 287 decks -68% synergy