Magister Sphinx + Archfiend of Despair
Magister Sphinx
Archfiend of Despair
Requires
Magister Sphinx must be in hand.
Archfiend of Despair must be on the battlefield.
An opponent has at least twenty life.
Mana needed: 
Steps
- Cast Magister Sphinx by paying .
- When Magister Sphinx enters the battlefield, it triggers, causing an opponent with at least twenty life to lose life until their life total is equal to ten.
- At the beginning of your end step, Archfiend of Despair triggers, causing each opponent to lose life equal to the life they lost this turn.
- The opponent targeted by Magister Sphinx in step 1 loses the game due to having zero or less life.
Results
Near-infinite lifeloss for target opponent. Target opponent loses the game.
The Master of Keys
0.04% of 2436 decks
1 decks
Top Commanders
Sefris of the Hidden Ways
0.54% of 8722 decks
47 decks
Raffine, Scheming Seer
0.14% of 7729 decks
11 decks
Oloro, Ageless Ascetic
0.05% of 12127 decks
6 decks
Jodah, Archmage Eternal
0.04% of 8074 decks
3 decks
Aminatou, the Fateshifter
0.05% of 6300 decks
3 decks
Ezio Auditore da Firenze
0.04% of 8035 decks
3 decks
Kamiz, Obscura Oculus
0.08% of 3680 decks
3 decks
Esika, God of the Tree
0.02% of 17767 decks
3 decks
Zur the Enchanter
0.02% of 11095 decks
2 decks
The First Sliver
0.02% of 10972 decks
2 decks
Ishai, Ojutai Dragonspeaker // Tymna the Weaver
0.65% of 155 decks
1 decks
The Ever-Changing 'Dane
0.13% of 756 decks
1 decks
The Celestial Toymaker
0.07% of 1442 decks
1 decks
Ludevic, Necro-Alchemist // Ravos, Soultender
0.53% of 190 decks
1 decks
Atraxa, Grand Unifier
0.01% of 14209 decks
1 decks
Omnath, Locus of All
0.01% of 12969 decks
1 decks
Breya, Etherium Shaper
0.01% of 13853 decks
1 decks
New Cards
Valgavoth, Terror Eater
62% of 13 decks
+56% synergy
High Synergy Cards
Radiant Solar
50% of 90 decks
+49% synergy
Sheoldred, Whispering One
53% of 91 decks
+48% synergy
Animate Dead
56% of 91 decks
+47% synergy
Priest of Fell Rites
49% of 90 decks
+46% synergy
Ashen Rider
47% of 91 decks
+46% synergy
Victimize
57% of 91 decks
+46% synergy
Reanimate
60% of 91 decks
+45% synergy
Nadaar, Selfless Paladin
46% of 90 decks
+45% synergy
Gisela, Blade of Goldnight
50% of 14 decks
+44% synergy
Rona, Herald of Invasion
44% of 79 decks
+42% synergy
Top Cards
Swords to Plowshares
59% of 91 decks
-3% synergy
Farseek
54% of 13 decks
+20% synergy
Cultivate
54% of 13 decks
+7% synergy
Sun Titan
49% of 91 decks
+39% synergy
Anguished Unmaking
46% of 91 decks
+22% synergy
Kodama's Reach
46% of 13 decks
+14% synergy
Baleful Strix
44% of 91 decks
+31% synergy
Lightning Greaves
44% of 91 decks
+19% synergy
Likeness Looter
44% of 62 decks
+39% synergy
Archon of Cruelty
43% of 90 decks
+41% synergy
Creatures
Altaïr Ibn-La'Ahad
60% of 5 decks
+57% synergy
Angel of the Ruins
43% of 90 decks
+41% synergy
Obsessive Stitcher
43% of 91 decks
+42% synergy
Syr Konrad, the Grim
42% of 91 decks
+33% synergy
Maelstrom Wanderer
42% of 12 decks
+35% synergy
Midnight Pathlighter
41% of 90 decks
+40% synergy
Serra's Emissary
40% of 90 decks
+38% synergy
Elesh Norn, Grand Cenobite
40% of 91 decks
+34% synergy
Triumphant Adventurer
39% of 90 decks
+38% synergy
White Plume Adventurer
39% of 90 decks
+37% synergy
Doom Whisperer
38% of 91 decks
+37% synergy
Hama Pashar, Ruin Seeker
37% of 90 decks
+36% synergy
Cathar Commando
37% of 90 decks
+33% synergy
Mulldrifter
36% of 91 decks
+30% synergy
Solemn Simulacrum
35% of 91 decks
+21% synergy
Phantasmal Image
34% of 91 decks
+30% synergy
Barrowin of Clan Undurr
33% of 90 decks
+33% synergy
Seasoned Dungeoneer
33% of 90 decks
+32% synergy
Progenitus
33% of 12 decks
+30% synergy
Massacre Wurm
33% of 91 decks
+29% synergy
Merfolk Looter
32% of 91 decks
+31% synergy
Razaketh, the Foulblooded
32% of 91 decks
+30% synergy
Kitsa, Otterball Elite
31% of 16 decks
+28% synergy
Doomed Necromancer
31% of 91 decks
+29% synergy
Archetype of Endurance
31% of 13 decks
+29% synergy
Apex Devastator
31% of 13 decks
+28% synergy
Plaguecrafter
31% of 91 decks
+26% synergy
Tomb of Horrors Adventurer
30% of 90 decks
+29% synergy
Rilsa Rael, Kingpin
30% of 90 decks
+29% synergy
Etali, Primal Conqueror
30% of 10 decks
+18% synergy
Ravenloft Adventurer
29% of 90 decks
+28% synergy
Queen Marchesa
29% of 14 decks
+24% synergy
Shriekmaw
27% of 91 decks
+25% synergy
Atraxa, Grand Unifier
27% of 11 decks
+21% synergy
Karmic Guide
26% of 91 decks
+22% synergy
Ledger Shredder
26% of 90 decks
+22% synergy
Avacyn, Angel of Hope
25% of 91 decks
+22% synergy
The Ur-Dragon
25% of 12 decks
+23% synergy
Esika, God of the Tree
25% of 12 decks
+18% synergy
Zacama, Primal Calamity
25% of 12 decks
+16% synergy
Champion of Wits
24% of 91 decks
+24% synergy
Vorinclex, Voice of Hunger
23% of 13 decks
+21% synergy
Nyxbloom Ancient
23% of 13 decks
+19% synergy
Birds of Paradise
23% of 13 decks
-4% synergy
Malcolm, Alluring Scoundrel
23% of 48 decks
+20% synergy
Consecrated Sphinx
22% of 91 decks
+17% synergy
Prince of Thralls
21% of 14 decks
+21% synergy
Terror of the Peaks
21% of 14 decks
+16% synergy
Aurelia, the Warleader
21% of 14 decks
+14% synergy
Dockside Extortionist
21% of 14 decks
+9% synergy
Instants
Entomb
41% of 91 decks
+33% synergy
Faithful Mending
39% of 90 decks
+36% synergy
Generous Gift
35% of 91 decks
+9% synergy
Void Rend
34% of 90 decks
+20% synergy
Teferi's Protection
31% of 91 decks
+11% synergy
Forbidden Alchemy
24% of 91 decks
+23% synergy
Path to Exile
24% of 91 decks
-21% synergy
Flawless Maneuver
23% of 91 decks
+13% synergy
Heroic Intervention
23% of 13 decks
-7% synergy
Assassin's Trophy
23% of 13 decks
-7% synergy
Counterspell
23% of 91 decks
-20% synergy
Deflecting Swat
21% of 14 decks
+5% synergy
Cyclonic Rift
21% of 91 decks
-7% synergy
Fierce Guardianship
20% of 91 decks
+2% synergy
An Offer You Can't Refuse
18% of 90 decks
-3% synergy
Arcane Denial
18% of 91 decks
-2% synergy
Despark
16% of 91 decks
+1% synergy
Swan Song
16% of 91 decks
-0% synergy
Frantic Search
15% of 91 decks
+3% synergy
Dovin's Veto
15% of 91 decks
-4% synergy
Fell the Profane
14% of 28 decks
+2% synergy
Sink into Stupor
14% of 28 decks
+1% synergy
Stroke of Midnight
14% of 64 decks
+2% synergy
Mana Drain
13% of 91 decks
-2% synergy
Negate
13% of 91 decks
-10% synergy
Three Steps Ahead
10% of 30 decks
+6% synergy
Malakir Rebirth
10% of 91 decks
+2% synergy
Vampiric Tutor
9% of 91 decks
-10% synergy
Brainstorm
8% of 91 decks
-14% synergy
Dark Ritual
8% of 91 decks
-15% synergy
Bar the Gate
7% of 90 decks
+6% synergy
Force of Will
7% of 91 decks
-5% synergy
Ephemerate
5% of 91 decks
-0% synergy
Deadly Rollick
5% of 91 decks
-5% synergy
Enlightened Tutor
5% of 91 decks
-12% synergy
Sorceries
Buried Alive
42% of 91 decks
+36% synergy
Three Visits
38% of 13 decks
+14% synergy
Nature's Lore
38% of 13 decks
+6% synergy
Skyshroud Claim
31% of 13 decks
+22% synergy
Toxic Deluge
31% of 91 decks
+13% synergy
Coiling Rebirth
27% of 15 decks
+23% synergy
Damn
23% of 90 decks
+7% synergy
Unburial Rites
23% of 91 decks
+20% synergy
Living Death
22% of 91 decks
+17% synergy
Ruinous Ultimatum
21% of 14 decks
+3% synergy
Diabolic Intent
21% of 91 decks
+12% synergy
Windfall
14% of 91 decks
+1% synergy
Dread Return
12% of 91 decks
+7% synergy
Demonic Tutor
12% of 91 decks
-10% synergy
Incarnation Technique
11% of 90 decks
+10% synergy
Persist
10% of 90 decks
+8% synergy
Austere Command
10% of 91 decks
-3% synergy
Stitch Together
9% of 91 decks
+7% synergy
Rise of the Dark Realms
9% of 91 decks
+6% synergy
Supreme Verdict
9% of 91 decks
-5% synergy
Agadeem's Awakening
8% of 91 decks
+4% synergy
Ponder
8% of 91 decks
-5% synergy
Unmarked Grave
7% of 90 decks
+4% synergy
Farewell
7% of 90 decks
-7% synergy
Fates' Reversal
6% of 90 decks
+5% synergy
Tragic Arrogance
5% of 91 decks
+4% synergy
Exsanguinate
5% of 91 decks
-0% synergy
Utility Artifacts
Fist of Suns
33% of 12 decks
+26% synergy
Door to Nothingness
25% of 12 decks
+21% synergy
Swiftfoot Boots
19% of 91 decks
-9% synergy
Matzalantli, the Great Door
12% of 48 decks
+11% synergy
Altar of Dementia
11% of 91 decks
+8% synergy
Phyrexian Altar
10% of 91 decks
+6% synergy
Shorikai, Genesis Engine
8% of 90 decks
+5% synergy
Alhammarret's Archive
8% of 91 decks
+6% synergy
Bolas's Citadel
8% of 91 decks
-2% synergy
Collector's Vault
7% of 56 decks
+6% synergy
Palantír of Orthanc
6% of 65 decks
+5% synergy
Well of Lost Dreams
5% of 91 decks
+4% synergy
Panharmonicon
5% of 91 decks
+1% synergy
Sensei's Divining Top
5% of 91 decks
-0% synergy
Ashnod's Altar
5% of 91 decks
-2% synergy
Enchantments
Tortured Existence
43% of 91 decks
+41% synergy
Mystic Remora
27% of 91 decks
+9% synergy
Necromancy
26% of 91 decks
+23% synergy
Smothering Tithe
25% of 91 decks
+0% synergy
Temur Ascendancy
25% of 12 decks
+10% synergy
Defense of the Heart
23% of 13 decks
+21% synergy
Sylvan Library
23% of 13 decks
+11% synergy
Mirari's Wake
23% of 13 decks
+9% synergy
Rhystic Study
16% of 91 decks
-11% synergy
Dungeon Delver
14% of 90 decks
+14% synergy
Dance of the Dead
13% of 91 decks
+11% synergy
Propaganda
13% of 91 decks
+2% synergy
Fly
10% of 90 decks
+10% synergy
Wound Reflection
10% of 91 decks
+8% synergy
Teferi's Ageless Insight
9% of 91 decks
+4% synergy
Omniscience
7% of 91 decks
+4% synergy
Exquisite Blood
7% of 91 decks
+2% synergy
Sanguine Bond
7% of 91 decks
+1% synergy
Thorough Investigation
6% of 90 decks
+5% synergy
Estrid's Invocation
5% of 91 decks
+4% synergy
Reconnaissance Mission
5% of 91 decks
+0% synergy
Ghostly Prison
5% of 91 decks
-6% synergy
Phyrexian Arena
5% of 91 decks
-9% synergy
Planeswalkers
Teferi, Master of Time
19% of 91 decks
+16% synergy
Dakkon, Shadow Slayer
7% of 90 decks
+5% synergy
Sorin Markov
5% of 91 decks
+4% synergy
Utility Lands
High Market
45% of 91 decks
+42% synergy
Geier Reach Sanitarium
38% of 91 decks
+35% synergy
Takenuma, Abandoned Mire
29% of 90 decks
+18% synergy
Urborg, Tomb of Yawgmoth
25% of 91 decks
+15% synergy
Bojuka Bog
20% of 91 decks
-11% synergy
Otawara, Soaring City
19% of 90 decks
+2% synergy
Reliquary Tower
16% of 91 decks
-13% synergy
Phyrexian Tower
13% of 91 decks
+5% synergy
Guildless Commons
12% of 91 decks
+11% synergy
Cephalid Coliseum
8% of 91 decks
+5% synergy
Rogue's Passage
8% of 91 decks
-12% synergy
Dungeon Descent
7% of 90 decks
+6% synergy
Ancient Tomb
7% of 91 decks
-4% synergy
Tomb Fortress
6% of 86 decks
+5% synergy
Mana Artifacts
Arcane Signet
89% of 91 decks
+17% synergy
Sol Ring
89% of 91 decks
+5% synergy
Talisman of Dominance
49% of 91 decks
+18% synergy
Talisman of Progress
47% of 91 decks
+25% synergy
Talisman of Hierarchy
47% of 91 decks
+23% synergy
Fellwar Stone
45% of 91 decks
+24% synergy
Timeless Lotus
40% of 10 decks
+26% synergy
Orzhov Signet
27% of 91 decks
+0% synergy
Dimir Signet
25% of 91 decks
-5% synergy
Gruul Signet
25% of 12 decks
+13% synergy
Selesnya Signet
23% of 13 decks
+14% synergy
Golgari Signet
23% of 13 decks
+10% synergy
Simic Signet
23% of 13 decks
+9% synergy
Azorius Signet
22% of 91 decks
-4% synergy
Boros Signet
21% of 14 decks
-2% synergy
Izzet Signet
21% of 14 decks
-7% synergy
Rakdos Signet
21% of 14 decks
-8% synergy
Commander's Sphere
21% of 91 decks
+5% synergy
Chromatic Lantern
13% of 91 decks
+4% synergy
Thought Vessel
12% of 91 decks
-5% synergy
Sarevok's Tome
9% of 90 decks
+8% synergy
Chromatic Orrery
7% of 91 decks
+5% synergy
Lotus Petal
5% of 91 decks
-1% synergy
Mana Crypt
5% of 91 decks
-3% synergy
Lands
Command Tower
98% of 91 decks
+24% synergy
Steam Vents
64% of 14 decks
+25% synergy
Hallowed Fountain
64% of 91 decks
+23% synergy
Godless Shrine
63% of 91 decks
+22% synergy
Watery Grave
62% of 91 decks
+21% synergy
Breeding Pool
62% of 13 decks
+20% synergy
Overgrown Tomb
62% of 13 decks
+19% synergy
Temple Garden
54% of 13 decks
+13% synergy
Arcane Sanctum
53% of 91 decks
+25% synergy
Exotic Orchard
51% of 91 decks
+15% synergy
Raffine's Tower
47% of 90 decks
+19% synergy
Marsh Flats
44% of 91 decks
+33% synergy
Caves of Koilos
44% of 91 decks
+16% synergy
Shadowy Backstreet
44% of 41 decks
+30% synergy
Sacred Foundry
43% of 14 decks
+7% synergy
Polluted Delta
42% of 91 decks
+31% synergy
Stomping Ground
42% of 12 decks
+0% synergy
Meticulous Archive
41% of 41 decks
+31% synergy
Undercity Sewers
41% of 41 decks
+28% synergy
Isolated Chapel
40% of 91 decks
+12% synergy
Drowned Catacomb
38% of 91 decks
+13% synergy
Xander's Lounge
38% of 13 decks
+11% synergy
Indatha Triome
38% of 13 decks
+7% synergy
Jetmir's Garden
36% of 11 decks
+3% synergy
Flooded Strand
36% of 91 decks
+26% synergy
Underground River
36% of 91 decks
+17% synergy
Volcanic Island
36% of 14 decks
+22% synergy
Raugrin Triome
36% of 14 decks
+9% synergy
Savai Triome
36% of 14 decks
+9% synergy
Blood Crypt
36% of 14 decks
-3% synergy
Shipwreck Marsh
34% of 90 decks
+15% synergy
Sea of Clouds
34% of 91 decks
+8% synergy
Ketria Triome
33% of 12 decks
+1% synergy
Fetid Heath
33% of 91 decks
+22% synergy
Morphic Pool
32% of 91 decks
+6% synergy
Shattered Sanctum
31% of 90 decks
+18% synergy
Savannah
31% of 13 decks
+18% synergy
Tropical Island
31% of 13 decks
+17% synergy
Orzhov Basilica
31% of 91 decks
+15% synergy
Evolving Wilds
31% of 91 decks
+10% synergy
Vault of Champions
31% of 91 decks
+5% synergy
Zagoth Triome
31% of 13 decks
+0% synergy
Plateau
29% of 14 decks
+16% synergy
Badlands
29% of 14 decks
+15% synergy
Azorius Chancery
29% of 91 decks
+14% synergy
Mystic Gate
27% of 91 decks
+22% synergy
Dimir Aqueduct
27% of 91 decks
+10% synergy
Ziatora's Proving Ground
27% of 11 decks
-5% synergy
Glacial Fortress
26% of 91 decks
+1% synergy
Prairie Stream
26% of 91 decks
-7% synergy