Radiant Solar
Sefris of the Hidden Ways
Phantom Steed
Barrowin of Clan Undurr

   Prerequisites

What do I need to start this combo?
Phantom Steed in hand.
All other permanents on the battlefield.
You are currently venturing in Tomb of Annihilation in the Trapped Entry room.
3 available

   Steps

How does this combo work?
1
Cast Phantom Steed by paying its mana cost.
2
When Phantom Steed enters, it and Radiant Solar trigger.
3
Resolve the Phantom Steed trigger, exiling Barrowin of Clan Undurr until Phantom Steed leaves the battlefield.
4
Resolve the Radiant Solar trigger, venturing into the Oubliette room, causing you to discard a card and then sacrifice Phantom Steed.
5
Phantom Steed leaves the battlefield, causing Barrowin of Clan Undurr to be returned to the battlefield from exile.
6
When Barrowin of Clan Undurr enters, it and Radiant Solar trigger.
7
Resolve the Barrowin of Clan Undurr trigger, venturing into the Cradle of the Death God room, creating a 4/4 legendary The Atropal creature token and completing Tomb of Annihilation.
8
If you control two or more The Atropal tokens, put all but one into your graveyard due to the legend rule.
9
Sefris' second ability triggers, returning Phantom Steed from your graveyard to the battlefield.
10
When Phantom Steed enters, it and Radiant Solar trigger.
11
Resolve the Phantom Steed trigger, exiling Barrowin of Clan Undurr until Phantom Steed leaves the battlefield.
12
Resolve the Radiant Solar trigger from step 10, venturing into Tomb of Annihilation and into the Trapped Entry room, causing each player to lose 1 life.
13
Resolve the Radiant Solar trigger from step 6, venturing into the Oubliette room, causing you to discard a card and then sacrifice Phantom Steed.
14
Repeat from step 5.

   Results

What do I get from this combo?
Near-infinite lifeloss for all players
Near-infinite sacrifice triggers
Near-infinite ETB
Near-infinite LTB
Near-infinite death triggers
Atraxa, Grand Unifier
0.0%inclusion2 decks17.1K decks
Hargilde, Kindly Runechanter // Wernog, Rider's Chaplain
0.1%inclusion1 decks1.04K decks
Kenrith, the Returned King
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Jin Sakai, Ghost of Tsushima
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Tiamat
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New Cards
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-0%synergy
High Synergy Cards
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100%synergy
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100%synergy
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95%inclusion563 decks592 decks
94%synergy
Midnight Pathlighter
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93%synergy
Nadaar, Selfless Paladin
87%inclusion513 decks592 decks
86%synergy
Sun Titan
87%inclusion515 decks592 decks
79%synergy
Karmic Guide
81%inclusion480 decks592 decks
78%synergy
Triumphant Adventurer
77%inclusion453 decks592 decks
76%synergy
Top Cards
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71%synergy
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18%synergy
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74%synergy
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70%synergy
Baleful Strix
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61%synergy
Dungeon Delver
70%inclusion412 decks592 decks
69%synergy
Solemn Simulacrum
70%inclusion412 decks592 decks
58%synergy
Doomed Necromancer
69%inclusion407 decks592 decks
68%synergy
Despark
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54%synergy
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66%synergy
Game Changers
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-13%synergy
Cyclonic Rift
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Creatures
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63%synergy
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62%synergy
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53%synergy
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52%synergy
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41%inclusion240 decks592 decks
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Cloudblazer
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37%inclusion218 decks592 decks
29%synergy
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36%synergy
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Angel of the Ruins
31%inclusion186 decks592 decks
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25%synergy
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29%synergy
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28%synergy
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25%inclusion148 decks592 decks
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25%synergy
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24%inclusion144 decks592 decks
24%synergy
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24%synergy
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23%synergy
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23%inclusion136 decks592 decks
21%synergy
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20%synergy
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Wall of Omens
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16%synergy
Cloister Gargoyle
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Oriq Loremage
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14%synergy
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8%synergy
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Instants
Utter End
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Bar the Gate
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41%synergy
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Vanish into Memory
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Entomb
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Deadly Dispute
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You Find the Villains' Lair
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8%synergy
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Village Rites
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Negate
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Fact or Fiction
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Arcane Denial
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Dovin's Veto
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Obscura Charm
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5%synergy
An Offer You Can't Refuse
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Sorceries
Explore
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66%synergy
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55%synergy
Necromantic Selection
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Fates' Reversal
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33%synergy
Buried Alive
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Extract Brain
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19%synergy
Reanimate
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From the Catacombs
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Damn
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Living Death
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Supreme Verdict
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-4%synergy
Austere Command
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Persist
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Sevinne's Reclamation
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Unmarked Grave
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Unearth
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2%synergy
Incarnation Technique
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Utility Artifacts
Lightning Greaves
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36%synergy
Immovable Rod
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49%synergy
Wayfarer's Bauble
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28%synergy
Delver's Torch
25%inclusion147 decks592 decks
25%synergy
Rod of Absorption
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22%synergy
Wand of Orcus
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19%synergy
Ashnod's Altar
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4%synergy
Panharmonicon
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4%synergy
Bucknard's Everfull Purse
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8%synergy
Altar of Dementia
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Swiftfoot Boots
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-20%synergy
Collector's Vault
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Enchantments
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75%synergy
Thorough Investigation
64%inclusion377 decks592 decks
63%synergy
Propaganda
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Fly
42%inclusion248 decks592 decks
42%synergy
Tortured Existence
40%inclusion237 decks592 decks
38%synergy
Minimus Containment
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24%synergy
Precipitous Drop
15%inclusion89 decks592 decks
15%synergy
Teleportation Circle
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11%synergy
Animate Dead
15%inclusion86 decks592 decks
6%synergy
Undercellar Sweep
7.3%inclusion43 decks592 decks
7%synergy
Rooftop Storm
6.9%inclusion41 decks592 decks
5%synergy
Necromancy
5.4%inclusion32 decks592 decks
2%synergy
Scion of Halaster
5.1%inclusion30 decks592 decks
5%synergy
Planeswalkers
Teferi, Master of Time
8.3%inclusion49 decks592 decks
7%synergy
Dakkon, Shadow Slayer
7.6%inclusion45 decks592 decks
7%synergy
Liliana, Death's Majesty
5.4%inclusion32 decks592 decks
4%synergy
Artifacts
Arcane Signet
91%inclusion539 decks592 decks
19%synergy
Sol Ring
90%inclusion531 decks592 decks
6%synergy
Fellwar Stone
63%inclusion371 decks592 decks
42%synergy
Dungeon Map
62%inclusion367 decks592 decks
62%synergy
Lightning Greaves
60%inclusion357 decks592 decks
36%synergy
Commander's Sphere
56%inclusion330 decks592 decks
45%synergy
Immovable Rod
49%inclusion291 decks592 decks
49%synergy
Wayfarer's Bauble
35%inclusion206 decks592 decks
28%synergy
Sarevok's Tome
28%inclusion168 decks592 decks
28%synergy
Delver's Torch
25%inclusion147 decks592 decks
25%synergy
Component Pouch
25%inclusion147 decks592 decks
24%synergy
Rod of Absorption
22%inclusion131 decks592 decks
22%synergy
Wand of Orcus
19%inclusion115 decks592 decks
19%synergy
Orzhov Signet
15%inclusion89 decks592 decks
-7%synergy
Azorius Signet
15%inclusion86 decks592 decks
-6%synergy
Dimir Signet
14%inclusion85 decks592 decks
-9%synergy
Talisman of Dominance
13%inclusion79 decks592 decks
-19%synergy
Talisman of Hierarchy
13%inclusion74 decks592 decks
-14%synergy
Ashnod's Altar
10%inclusion62 decks592 decks
4%synergy
Talisman of Progress
10%inclusion57 decks592 decks
-16%synergy
Dungeoneer's Pack
8.8%inclusion52 decks592 decks
9%synergy
Panharmonicon
8.3%inclusion49 decks592 decks
4%synergy
Bucknard's Everfull Purse
8.1%inclusion48 decks592 decks
8%synergy
Altar of Dementia
8.1%inclusion48 decks592 decks
6%synergy
Chromatic Lantern
7.1%inclusion42 decks592 decks
-1%synergy
Swiftfoot Boots
7.1%inclusion42 decks592 decks
-20%synergy
Collector's Vault
6.4%inclusion38 decks592 decks
6%synergy
Utility Lands
High Market
70%inclusion413 decks592 decks
67%synergy
Geier Reach Sanitarium
69%inclusion411 decks592 decks
67%synergy
Dungeon Descent
35%inclusion208 decks592 decks
35%synergy
Bojuka Bog
12%inclusion70 decks592 decks
-18%synergy
Reliquary Tower
9.1%inclusion54 decks592 decks
-21%synergy
Phyrexian Tower
8.6%inclusion51 decks592 decks
-1%synergy
Urborg, Tomb of Yawgmoth
6.9%inclusion41 decks592 decks
-2%synergy
Takenuma, Abandoned Mire
5.7%inclusion34 decks592 decks
-3%synergy
Hive of the Eye Tyrant
5.4%inclusion32 decks592 decks
5%synergy
Cave of the Frost Dragon
5.4%inclusion32 decks592 decks
5%synergy
Hall of Storm Giants
5.1%inclusion30 decks592 decks
4%synergy
Mana Artifacts
Arcane Signet
91%inclusion539 decks592 decks
19%synergy
Sol Ring
90%inclusion531 decks592 decks
6%synergy
Fellwar Stone
63%inclusion371 decks592 decks
42%synergy
Dungeon Map
62%inclusion367 decks592 decks
62%synergy
Commander's Sphere
56%inclusion330 decks592 decks
45%synergy
Sarevok's Tome
28%inclusion168 decks592 decks
28%synergy
Component Pouch
25%inclusion147 decks592 decks
24%synergy
Orzhov Signet
15%inclusion89 decks592 decks
-7%synergy
Azorius Signet
15%inclusion86 decks592 decks
-6%synergy
Dimir Signet
14%inclusion85 decks592 decks
-9%synergy
Talisman of Dominance
13%inclusion79 decks592 decks
-19%synergy
Talisman of Hierarchy
13%inclusion74 decks592 decks
-14%synergy
Talisman of Progress
10%inclusion57 decks592 decks
-16%synergy
Dungeoneer's Pack
8.8%inclusion52 decks592 decks
9%synergy
Chromatic Lantern
7.1%inclusion42 decks592 decks
-1%synergy
Lands
Command Tower
97%inclusion576 decks592 decks
23%synergy
Arcane Sanctum
83%inclusion491 decks592 decks
56%synergy
Sunken Hollow
82%inclusion488 decks592 decks
49%synergy
Prairie Stream
81%inclusion481 decks592 decks
49%synergy
Exotic Orchard
80%inclusion473 decks592 decks
43%synergy
Choked Estuary
71%inclusion421 decks592 decks
56%synergy
Port Town
69%inclusion411 decks592 decks
55%synergy
Nimbus Maze
63%inclusion371 decks592 decks
59%synergy
Evolving Wilds
61%inclusion361 decks592 decks
41%synergy
Orzhov Basilica
60%inclusion358 decks592 decks
47%synergy
Darkwater Catacombs
60%inclusion355 decks592 decks
46%synergy
Dimir Aqueduct
60%inclusion354 decks592 decks
46%synergy
Azorius Chancery
59%inclusion351 decks592 decks
47%synergy
Terramorphic Expanse
48%inclusion283 decks592 decks
33%synergy
Esper Panorama
44%inclusion261 decks592 decks
44%synergy
Thriving Moor
43%inclusion253 decks592 decks
40%synergy
Thriving Heath
40%inclusion239 decks592 decks
37%synergy
Thriving Isle
40%inclusion237 decks592 decks
37%synergy
Caves of Koilos
21%inclusion126 decks592 decks
-8%synergy
Godless Shrine
21%inclusion126 decks592 decks
-20%synergy
Isolated Chapel
21%inclusion123 decks592 decks
-14%synergy
Watery Grave
21%inclusion123 decks592 decks
-21%synergy
Raffine's Tower
20%inclusion118 decks592 decks
-3%synergy
Hallowed Fountain
20%inclusion118 decks592 decks
-21%synergy
Glacial Fortress
20%inclusion116 decks592 decks
-14%synergy
Drowned Catacomb
15%inclusion87 decks592 decks
-15%synergy
Sea of Clouds
14%inclusion85 decks592 decks
-9%synergy
Morphic Pool
13%inclusion77 decks592 decks
-11%synergy
Contaminated Landscape
13%inclusion76 decks592 decks
7%synergy
Flooded Strand
13%inclusion75 decks592 decks
1%synergy
Marsh Flats
12%inclusion71 decks592 decks
2%synergy
Shipwreck Marsh
12%inclusion71 decks592 decks
-6%synergy
Path of Ancestry
12%inclusion71 decks592 decks
-10%synergy
Deserted Beach
12%inclusion69 decks592 decks
-5%synergy
Polluted Delta
11%inclusion67 decks592 decks
-1%synergy
Vault of Champions
11%inclusion67 decks592 decks
-12%synergy
Shattered Sanctum
10%inclusion62 decks592 decks
-6%synergy
Underground River
10%inclusion61 decks592 decks
-13%synergy
Adarkar Wastes
10%inclusion61 decks592 decks
-14%synergy
Shadowy Backstreet
10%inclusion60 decks592 decks
-0%synergy
Meticulous Archive
10%inclusion57 decks592 decks
1%synergy
Obscura Storefront
8.4%inclusion50 decks592 decks
7%synergy
Undercity Sewers
8.3%inclusion49 decks592 decks
-3%synergy
Fabled Passage
7.4%inclusion44 decks592 decks
-3%synergy
Skycloud Expanse
7.4%inclusion44 decks592 decks
-7%synergy
Temple of Silence
7.3%inclusion43 decks592 decks
-9%synergy
Temple of Enlightenment
6.8%inclusion40 decks592 decks
-9%synergy
Temple of Deceit
6.3%inclusion37 decks592 decks
-7%synergy
Shineshadow Snarl
5.9%inclusion35 decks592 decks
-7%synergy
Tainted Isle
5.4%inclusion32 decks592 decks
-5%synergy