Radiant Solar
Sefris of the Hidden Ways
Phantom Steed
Undermountain Adventurer

   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 Undermountain Adventurer 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 Undermountain Adventurer to be returned to the battlefield from exile.
6
When Undermountain Adventurer enters, it and Radiant Solar trigger.
7
Resolve the Undermountain Adventurer 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 Undermountain Adventurer 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 ETB
Near-infinite LTB
Near-infinite death triggers
Near-infinite lifeloss for all players
Near-infinite sacrifice triggers
Atraxa, Grand Unifier
0.0%inclusion2 decks17.1K decks
Kenrith, the Returned King
0.0%inclusion1 decks30.8K decks
Tiamat
0.0%inclusion1 decks13.1K decks
Creatures
Barrowin of Clan Undurr
100%inclusion4 decks4 decks
99%synergy
Displacer Beast
100%inclusion4 decks4 decks
100%synergy
Eccentric Apprentice
100%inclusion4 decks4 decks
100%synergy
Hama Pashar, Ruin Seeker
100%inclusion4 decks4 decks
99%synergy
Midnight Pathlighter
100%inclusion4 decks4 decks
99%synergy
Nadaar, Selfless Paladin
100%inclusion4 decks4 decks
99%synergy
Planar Ally
100%inclusion4 decks4 decks
100%synergy
Rilsa Rael, Kingpin
100%inclusion4 decks4 decks
99%synergy
Triumphant Adventurer
100%inclusion4 decks4 decks
99%synergy
Varis, Silverymoon Ranger
100%inclusion4 decks4 decks
100%synergy
Yuan-Ti Malison
100%inclusion4 decks4 decks
100%synergy
Acererak the Archlich
75%inclusion3 decks4 decks
75%synergy
Imoen, Mystic Trickster
75%inclusion3 decks4 decks
75%synergy
Safana, Calimport Cutthroat
75%inclusion3 decks4 decks
75%synergy
Tomb of Horrors Adventurer
75%inclusion3 decks4 decks
74%synergy
White Plume Adventurer
75%inclusion3 decks4 decks
74%synergy
Yuan-Ti Fang-Blade
75%inclusion3 decks4 decks
75%synergy
Adric, Mathematical Genius
50%inclusion2 decks4 decks
50%synergy
Cloister Gargoyle
50%inclusion2 decks4 decks
50%synergy
Felidar Guardian
50%inclusion2 decks4 decks
48%synergy
Intrepid Outlander
50%inclusion2 decks4 decks
50%synergy
Restoration Angel
50%inclusion2 decks4 decks
48%synergy
Varragoth, Bloodsky Sire
50%inclusion2 decks4 decks
48%synergy
Veteran Dungeoneer
50%inclusion2 decks4 decks
50%synergy
Sun Titan
50%inclusion2 decks4 decks
42%synergy
The Master, Multiplied
50%inclusion1 decks2 decks
48%synergy
Bhaal, Lord of Murder
50%inclusion1 decks2 decks
50%synergy
Calamity, Galloping Inferno
50%inclusion1 decks2 decks
50%synergy
Caves of Chaos Adventurer
50%inclusion1 decks2 decks
50%synergy
Isshin, Two Heavens as One
50%inclusion1 decks2 decks
43%synergy
Jaxis, the Troublemaker
50%inclusion1 decks2 decks
48%synergy
Miirym, Sentinel Wyrm
50%inclusion1 decks2 decks
43%synergy
Obeka, Splitter of Seconds
50%inclusion1 decks2 decks
49%synergy
Red Dragon
50%inclusion1 decks2 decks
50%synergy
Stirring Bard
50%inclusion1 decks2 decks
50%synergy
Soulherder
25%inclusion1 decks4 decks
21%synergy
Yarok, the Desecrated
25%inclusion1 decks4 decks
21%synergy
Ranger's Hawk
25%inclusion1 decks4 decks
25%synergy
Shortcut Seeker
25%inclusion1 decks4 decks
25%synergy
Zombie Ogre
25%inclusion1 decks4 decks
25%synergy
Bramble Sovereign
25%inclusion1 decks4 decks
24%synergy
Cataclysmic Gearhulk
25%inclusion1 decks4 decks
24%synergy
Circle of Dreams Druid
25%inclusion1 decks4 decks
22%synergy
Doomed Necromancer
25%inclusion1 decks4 decks
24%synergy
Exalted Sunborn
25%inclusion1 decks4 decks
22%synergy
Krydle of Baldur's Gate
25%inclusion1 decks4 decks
24%synergy
Phantasmal Image
25%inclusion1 decks4 decks
23%synergy
Plaguecrafter
25%inclusion1 decks4 decks
21%synergy
Ravenloft Adventurer
25%inclusion1 decks4 decks
24%synergy
Ravos, Soultender
25%inclusion1 decks4 decks
25%synergy
Instants
Bar the Gate
75%inclusion3 decks4 decks
75%synergy
Lae'zel's Acrobatics
75%inclusion3 decks4 decks
74%synergy
Cackling Counterpart
50%inclusion2 decks4 decks
49%synergy
Countersquall
50%inclusion2 decks4 decks
48%synergy
Counterspell
25%inclusion1 decks4 decks
-17%synergy
Seedtime
25%inclusion1 decks4 decks
25%synergy
Despark
25%inclusion1 decks4 decks
12%synergy
Feign Death
25%inclusion1 decks4 decks
23%synergy
Grave Endeavor
25%inclusion1 decks4 decks
25%synergy
Guiding Bolt
25%inclusion1 decks4 decks
25%synergy
Invoke the Divine
25%inclusion1 decks4 decks
24%synergy
Lull
25%inclusion1 decks4 decks
25%synergy
Remove Soul
25%inclusion1 decks4 decks
25%synergy
See Double
25%inclusion1 decks4 decks
24%synergy
Swords to Plowshares
25%inclusion1 decks4 decks
-36%synergy
Return to Nature
25%inclusion1 decks4 decks
21%synergy
Sorceries
Fates' Reversal
100%inclusion4 decks4 decks
100%synergy
You Find a Cursed Idol
100%inclusion4 decks4 decks
100%synergy
Kick in the Door
100%inclusion2 decks2 decks
100%synergy
Explore
75%inclusion3 decks4 decks
66%synergy
Entreat the Dead
50%inclusion2 decks4 decks
50%synergy
From the Catacombs
50%inclusion2 decks4 decks
50%synergy
Rampant Growth
50%inclusion2 decks4 decks
18%synergy
Splash Portal
50%inclusion2 decks4 decks
49%synergy
Victimize
50%inclusion2 decks4 decks
37%synergy
Irenicus's Vile Duplication
50%inclusion2 decks4 decks
47%synergy
Mythos of Illuna
50%inclusion1 decks2 decks
49%synergy
Fabricate
25%inclusion1 decks4 decks
20%synergy
Open into Wonder
25%inclusion1 decks4 decks
25%synergy
Utility Artifacts
Panharmonicon
75%inclusion3 decks4 decks
71%synergy
Delver's Torch
75%inclusion3 decks4 decks
75%synergy
Blade of Selves
50%inclusion2 decks4 decks
48%synergy
Conjurer's Closet
50%inclusion2 decks4 decks
47%synergy
Helm of the Host
50%inclusion2 decks4 decks
47%synergy
Immovable Rod
50%inclusion2 decks4 decks
50%synergy
Lithoform Engine
50%inclusion2 decks4 decks
49%synergy
Mirage Mirror
50%inclusion2 decks4 decks
49%synergy
Strionic Resonator
50%inclusion2 decks4 decks
48%synergy
Campfire
25%inclusion1 decks4 decks
25%synergy
Vorpal Sword
25%inclusion1 decks4 decks
24%synergy
Monster Manual
25%inclusion1 decks4 decks
23%synergy
Tamiyo's Journal
25%inclusion1 decks4 decks
24%synergy
Enchantments
Dungeon Delver
100%inclusion4 decks4 decks
100%synergy
Fly
100%inclusion4 decks4 decks
100%synergy
Find the Path
75%inclusion3 decks4 decks
75%synergy
Precipitous Drop
75%inclusion3 decks4 decks
75%synergy
Thorough Investigation
75%inclusion3 decks4 decks
75%synergy
Fable of the Mirror-Breaker
50%inclusion1 decks2 decks
48%synergy
Loot Dispute
50%inclusion1 decks2 decks
50%synergy
Blind Obedience
25%inclusion1 decks4 decks
19%synergy
Flowering of the White Tree
25%inclusion1 decks4 decks
21%synergy
Ongoing Investigation
25%inclusion1 decks4 decks
24%synergy
Undercellar Sweep
25%inclusion1 decks4 decks
25%synergy
Planeswalkers
Ellywick Tumblestrum
100%inclusion4 decks4 decks
100%synergy
Artifacts
Sarevok's Tome
100%inclusion4 decks4 decks
100%synergy
Arcane Signet
75%inclusion3 decks4 decks
3%synergy
Dungeon Map
75%inclusion3 decks4 decks
75%synergy
Panharmonicon
75%inclusion3 decks4 decks
71%synergy
Sol Ring
75%inclusion3 decks4 decks
-8%synergy
Delver's Torch
75%inclusion3 decks4 decks
75%synergy
Azorius Signet
50%inclusion2 decks4 decks
30%synergy
Blade of Selves
50%inclusion2 decks4 decks
48%synergy
Conjurer's Closet
50%inclusion2 decks4 decks
47%synergy
Golgari Signet
50%inclusion2 decks4 decks
41%synergy
Helm of the Host
50%inclusion2 decks4 decks
47%synergy
Immovable Rod
50%inclusion2 decks4 decks
50%synergy
Lithoform Engine
50%inclusion2 decks4 decks
49%synergy
Mirage Mirror
50%inclusion2 decks4 decks
49%synergy
Orzhov Signet
50%inclusion2 decks4 decks
28%synergy
Strionic Resonator
50%inclusion2 decks4 decks
48%synergy
Glittering Stockpile
50%inclusion1 decks2 decks
49%synergy
Campfire
25%inclusion1 decks4 decks
25%synergy
Chromatic Lantern
25%inclusion1 decks4 decks
17%synergy
Commander's Sphere
25%inclusion1 decks4 decks
14%synergy
Dungeoneer's Pack
25%inclusion1 decks4 decks
25%synergy
Fellwar Stone
25%inclusion1 decks4 decks
5%synergy
Vorpal Sword
25%inclusion1 decks4 decks
24%synergy
Monster Manual
25%inclusion1 decks4 decks
23%synergy
Relic of Legends
25%inclusion1 decks4 decks
23%synergy
Tamiyo's Journal
25%inclusion1 decks4 decks
24%synergy
Utility Lands
Bojuka Bog
50%inclusion2 decks4 decks
20%synergy
Celestial Colonnade
50%inclusion2 decks4 decks
49%synergy
Cryptic Spires
50%inclusion2 decks4 decks
50%synergy
Dungeon Descent
50%inclusion2 decks4 decks
50%synergy
Den of the Bugbear
50%inclusion1 decks2 decks
49%synergy
Dark Depths
25%inclusion1 decks4 decks
24%synergy
Gaea's Cradle
25%inclusion1 decks4 decks
19%synergy
Kor Haven
25%inclusion1 decks4 decks
24%synergy
Nykthos, Shrine to Nyx
25%inclusion1 decks4 decks
20%synergy
Cave of the Frost Dragon
25%inclusion1 decks4 decks
25%synergy
Mana Artifacts
Sarevok's Tome
100%inclusion4 decks4 decks
100%synergy
Arcane Signet
75%inclusion3 decks4 decks
3%synergy
Dungeon Map
75%inclusion3 decks4 decks
75%synergy
Sol Ring
75%inclusion3 decks4 decks
-8%synergy
Azorius Signet
50%inclusion2 decks4 decks
30%synergy
Golgari Signet
50%inclusion2 decks4 decks
41%synergy
Orzhov Signet
50%inclusion2 decks4 decks
28%synergy
Glittering Stockpile
50%inclusion1 decks2 decks
49%synergy
Chromatic Lantern
25%inclusion1 decks4 decks
17%synergy
Commander's Sphere
25%inclusion1 decks4 decks
14%synergy
Dungeoneer's Pack
25%inclusion1 decks4 decks
25%synergy
Fellwar Stone
25%inclusion1 decks4 decks
5%synergy
Relic of Legends
25%inclusion1 decks4 decks
23%synergy
Lands
Command Tower
100%inclusion4 decks4 decks
26%synergy
Arcane Sanctum
75%inclusion3 decks4 decks
48%synergy
Brokers Hideout
75%inclusion3 decks4 decks
74%synergy
Cabaretti Courtyard
75%inclusion3 decks4 decks
73%synergy
Ash Barrens
50%inclusion2 decks4 decks
45%synergy
Azorius Guildgate
50%inclusion2 decks4 decks
47%synergy
Ballroom
50%inclusion2 decks4 decks
50%synergy
Bant Panorama
50%inclusion2 decks4 decks
50%synergy
Black Dragon Gate
50%inclusion2 decks4 decks
49%synergy
Blighted Woodland
50%inclusion2 decks4 decks
46%synergy
Blossoming Sands
50%inclusion2 decks4 decks
43%synergy
Choked Estuary
50%inclusion2 decks4 decks
35%synergy
Coastal Tower
50%inclusion2 decks4 decks
50%synergy
Conservatory
50%inclusion2 decks4 decks
50%synergy
Contaminated Landscape
50%inclusion2 decks4 decks
44%synergy
Creosote Heath
50%inclusion2 decks4 decks
48%synergy
Darkmoss Bridge
50%inclusion2 decks4 decks
47%synergy
Dimir Guildgate
50%inclusion2 decks4 decks
46%synergy
Dismal Backwater
50%inclusion2 decks4 decks
44%synergy
Badlands
50%inclusion1 decks2 decks
37%synergy
Exotic Orchard
50%inclusion2 decks4 decks
13%synergy
Jetmir's Garden
50%inclusion1 decks2 decks
23%synergy
Luxury Suite
50%inclusion1 decks2 decks
27%synergy
Plateau
50%inclusion1 decks2 decks
38%synergy
Spectator Seating
50%inclusion1 decks2 decks
28%synergy
Spire Garden
50%inclusion1 decks2 decks
28%synergy
Taiga
50%inclusion1 decks2 decks
37%synergy
The World Tree
50%inclusion1 decks2 decks
24%synergy
Volcanic Island
50%inclusion1 decks2 decks
36%synergy
Barkchannel Pathway
25%inclusion1 decks4 decks
19%synergy
Bayou
25%inclusion1 decks4 decks
12%synergy
Festering Thicket
25%inclusion1 decks4 decks
20%synergy
Morphic Pool
25%inclusion1 decks4 decks
1%synergy
Rejuvenating Springs
25%inclusion1 decks4 decks
-1%synergy
Savannah
25%inclusion1 decks4 decks
12%synergy
Scrubland
25%inclusion1 decks4 decks
11%synergy
Tropical Island
25%inclusion1 decks4 decks
11%synergy
Tundra
25%inclusion1 decks4 decks
11%synergy
Underground Sea
25%inclusion1 decks4 decks
10%synergy
Undergrowth Stadium
25%inclusion1 decks4 decks
1%synergy
Vault of Champions
25%inclusion1 decks4 decks
2%synergy
Evolving Wilds
25%inclusion1 decks4 decks
5%synergy
Maestros Theater
25%inclusion1 decks4 decks
24%synergy
Obscura Storefront
25%inclusion1 decks4 decks
24%synergy
Riveteers Overlook
25%inclusion1 decks4 decks
23%synergy
Rupture Spire
25%inclusion1 decks4 decks
25%synergy
Temple of the Dragon Queen
25%inclusion1 decks4 decks
24%synergy
Thriving Isle
25%inclusion1 decks4 decks
22%synergy
Uncharted Haven
25%inclusion1 decks4 decks
24%synergy