Betor, Kin to All
Archfiend of Despair

   Prerequisites

What do I need to start this combo?
Betor and Archfiend of Despair on the battlefield.
Creatures you control have total toughness 40 or greater.

   Steps

How does this combo work?
1
At the beginning of your end step, Betor and Archfiend of Despair trigger.
2
Resolve the Betor trigger, causing each opponent to half their life total, rounded up.
3
Resolve the Archfiend of Despair trigger, causing each opponent to lose life equal to the life they've lost this turn.

   Results

What do I get from this combo?
Infinite lifeloss
Betor, Kin to All
6.0%inclusion476 decks8K decks
Betor, Ancestor's Voice
0.1%inclusion12 decks13.4K decks
Felothar the Steadfast
0.0%inclusion4 decks15.9K decks
The Ur-Dragon
0.0%inclusion2 decks32.8K decks
Ikra Shidiqi, the Usurper // Tymna the Weaver
0.4%inclusion2 decks510 decks
Tayam, Luminous Enigma
0.0%inclusion1 decks5.27K decks
Esika, God of the Tree
0.0%inclusion1 decks14.7K decks
Doran, Besieged by Time
0.0%inclusion1 decks8.49K decks
Nethroi, Apex of Death
0.0%inclusion1 decks4.46K decks
Felothar, Dawn of the Abzan
0.0%inclusion1 decks5.22K decks
Frodo, Adventurous Hobbit // Sam, Loyal Attendant
0.0%inclusion1 decks14.8K decks
Saskia the Unyielding
0.0%inclusion1 decks4.94K decks
New Cards
Turbulent Fen
9.1%inclusion1 decks11 decks
7%synergy
Turbulent Moor
9.1%inclusion1 decks11 decks
7%synergy
Transdimensional Bovine
4.3%inclusion5 decks117 decks
4%synergy
Shredder, Shadow Master
2.8%inclusion2 decks72 decks
1%synergy
South Wind Avatar
1.7%inclusion2 decks117 decks
1%synergy
High Synergy Cards
Bloodletter of Aclazotz
85%inclusion430 decks503 decks
82%synergy
Tree of Perdition
73%inclusion369 decks503 decks
72%synergy
Wound Reflection
68%inclusion344 decks503 decks
67%synergy
Tree of Redemption
64%inclusion321 decks503 decks
63%synergy
Arbor Adherent
62%inclusion304 decks489 decks
61%synergy
The Walls of Ba Sing Se
61%inclusion133 decks218 decks
59%synergy
Felothar the Steadfast
57%inclusion287 decks503 decks
55%synergy
Bedrock Tortoise
56%inclusion280 decks503 decks
55%synergy
Last March of the Ents
56%inclusion283 decks503 decks
53%synergy
Sylvan Caryatid
53%inclusion269 decks503 decks
52%synergy
Top Cards
Swords to Plowshares
77%inclusion388 decks503 decks
16%synergy
Heroic Intervention
61%inclusion306 decks503 decks
30%synergy
Assassin's Trophy
54%inclusion272 decks503 decks
23%synergy
Path to Exile
53%inclusion267 decks503 decks
6%synergy
Anguished Unmaking
51%inclusion258 decks503 decks
27%synergy
Birds of Paradise
51%inclusion255 decks503 decks
23%synergy
Farseek
50%inclusion253 decks503 decks
14%synergy
Doran, the Siege Tower
50%inclusion250 decks503 decks
47%synergy
Assault Formation
49%inclusion248 decks503 decks
48%synergy
Fecund Greenshell
49%inclusion245 decks503 decks
47%synergy
Game Changers
Teferi's Protection
30%inclusion150 decks503 decks
13%synergy
Demonic Tutor
22%inclusion113 decks503 decks
3%synergy
Vampiric Tutor
16%inclusion78 decks503 decks
1%synergy
Worldly Tutor
15%inclusion76 decks503 decks
3%synergy
Seedborn Muse
12%inclusion60 decks503 decks
4%synergy
Farewell
12%inclusion59 decks503 decks
-1%synergy
The One Ring
10%inclusion49 decks503 decks
2%synergy
Ancient Tomb
10%inclusion48 decks503 decks
0%synergy
Aura Shards
7.8%inclusion39 decks503 decks
1%synergy
Gaea's Cradle
7.2%inclusion36 decks503 decks
1%synergy
Creatures
Doran, Besieged by Time
49%inclusion68 decks140 decks
46%synergy
Crystal Barricade
47%inclusion237 decks503 decks
45%synergy
Wall of Omens
46%inclusion230 decks503 decks
43%synergy
Wall of Blossoms
45%inclusion226 decks503 decks
43%synergy
Canopy Gargantuan
44%inclusion216 decks489 decks
43%synergy
Zopandrel, Hunger Dominus
44%inclusion220 decks503 decks
41%synergy
Indomitable Ancients
42%inclusion211 decks503 decks
41%synergy
Baldin, Century Herdmaster
41%inclusion204 decks503 decks
40%synergy
Overgrown Battlement
40%inclusion203 decks503 decks
39%synergy
Towering Titan
37%inclusion186 decks503 decks
36%synergy
Faeburrow Elder
35%inclusion174 decks503 decks
23%synergy
Dragonlord Dromoka
32%inclusion163 decks503 decks
28%synergy
Beast Whisperer
32%inclusion161 decks503 decks
22%synergy
Ikra Shidiqi, the Usurper
31%inclusion157 decks503 decks
30%synergy
Unhallowed Phalanx
30%inclusion151 decks503 decks
30%synergy
Ancient Adamantoise
30%inclusion104 decks349 decks
29%synergy
Axebane Guardian
27%inclusion137 decks503 decks
26%synergy
Weathered Sentinels
26%inclusion132 decks503 decks
26%synergy
Crashing Drawbridge
26%inclusion131 decks503 decks
25%synergy
Ancient Lumberknot
25%inclusion126 decks503 decks
24%synergy
Fanatic of Rhonas
25%inclusion124 decks503 decks
19%synergy
Ohran Frostfang
24%inclusion123 decks503 decks
19%synergy
Rampart Architect
24%inclusion116 decks489 decks
23%synergy
Llanowar Elves
24%inclusion119 decks503 decks
3%synergy
Avacyn's Pilgrim
23%inclusion115 decks503 decks
11%synergy
Trostani, Selesnya's Voice
23%inclusion114 decks503 decks
21%synergy
Delighted Halfling
23%inclusion114 decks503 decks
11%synergy
Sapling of Colfenor
22%inclusion111 decks503 decks
21%synergy
Abzan Beastmaster
21%inclusion104 decks503 decks
20%synergy
Runic Armasaur
20%inclusion99 decks503 decks
18%synergy
Bloom Tender
19%inclusion97 decks503 decks
11%synergy
Welcoming Vampire
18%inclusion92 decks503 decks
12%synergy
Arboreal Grazer
18%inclusion90 decks503 decks
16%synergy
Great Forest Druid
18%inclusion25 decks140 decks
16%synergy
Elves of Deep Shadow
17%inclusion88 decks503 decks
9%synergy
Colfenor, the Last Yew
17%inclusion86 decks503 decks
15%synergy
Shalai, Voice of Plenty
17%inclusion86 decks503 decks
11%synergy
Astarion, the Decadent
17%inclusion84 decks503 decks
15%synergy
Catapult Fodder
16%inclusion82 decks503 decks
16%synergy
Elvish Mystic
16%inclusion82 decks503 decks
0%synergy
Esper Sentinel
16%inclusion80 decks503 decks
-3%synergy
Vine Trellis
15%inclusion77 decks503 decks
15%synergy
Flumph
15%inclusion77 decks503 decks
14%synergy
Nethroi, Apex of Death
15%inclusion77 decks503 decks
13%synergy
Nyx-Fleece Ram
15%inclusion74 decks503 decks
14%synergy
Wall of Shards
15%inclusion73 decks503 decks
14%synergy
Walking Bulwark
14%inclusion70 decks503 decks
14%synergy
Wall of Roots
14%inclusion69 decks503 decks
13%synergy
Voice of Victory
14%inclusion68 decks503 decks
7%synergy
Selvala, Heart of the Wilds
13%inclusion65 decks503 decks
7%synergy
Instants
Tower Defense
47%inclusion237 decks503 decks
46%synergy
Beast Within
29%inclusion148 decks503 decks
-4%synergy
Dawn's Truce
26%inclusion131 decks503 decks
19%synergy
Despark
26%inclusion131 decks503 decks
13%synergy
Flawless Maneuver
24%inclusion121 decks503 decks
14%synergy
Generous Gift
20%inclusion102 decks503 decks
-1%synergy
Clever Concealment
18%inclusion90 decks503 decks
13%synergy
Akroma's Will
17%inclusion85 decks503 decks
7%synergy
Eladamri's Call
15%inclusion75 decks503 decks
6%synergy
Deadly Rollick
14%inclusion71 decks503 decks
0%synergy
Chord of Calling
14%inclusion68 decks503 decks
8%synergy
Stroke of Midnight
11%inclusion54 decks503 decks
0%synergy
Enlightened Tutor
11%inclusion53 decks503 decks
-5%synergy
Fell the Profane
10%inclusion52 decks503 decks
1%synergy
Tear Asunder
10%inclusion51 decks503 decks
3%synergy
Dark Ritual
10%inclusion50 decks503 decks
-15%synergy
Overkill
9.2%inclusion32 decks347 decks
7%synergy
Infernal Grasp
9.1%inclusion46 decks503 decks
2%synergy
Return of the Wildspeaker
8.9%inclusion45 decks503 decks
-2%synergy
Revitalizing Repast
8.5%inclusion43 decks503 decks
0%synergy
Putrefy
8.2%inclusion41 decks503 decks
-8%synergy
Malakir Rebirth
7.8%inclusion39 decks503 decks
0%synergy
Mortify
7.8%inclusion39 decks503 decks
-3%synergy
Abzan Charm
7.6%inclusion38 decks503 decks
4%synergy
Mythos of Nethroi
6.6%inclusion33 decks503 decks
5%synergy
Inspiring Call
6.0%inclusion30 decks503 decks
-2%synergy
Bar the Door
5.6%inclusion28 decks503 decks
5%synergy
Abrupt Decay
5.6%inclusion28 decks503 decks
-4%synergy
Veil of Summer
5.2%inclusion26 decks503 decks
0%synergy
Sorceries
Nature's Lore
47%inclusion235 decks503 decks
15%synergy
Cultivate
44%inclusion220 decks503 decks
1%synergy
Three Visits
42%inclusion212 decks503 decks
18%synergy
Toxic Deluge
38%inclusion190 decks503 decks
20%synergy
Kodama's Reach
33%inclusion165 decks503 decks
6%synergy
Eerie Ultimatum
29%inclusion145 decks503 decks
18%synergy
Rampant Growth
29%inclusion144 decks503 decks
-4%synergy
Slaughter the Strong
22%inclusion112 decks503 decks
21%synergy
Wave of Reckoning
20%inclusion103 decks503 decks
20%synergy
Reunion of the House
19%inclusion95 decks489 decks
19%synergy
Expel the Interlopers
18%inclusion93 decks503 decks
17%synergy
Finale of Devastation
14%inclusion71 decks503 decks
7%synergy
Will of the Abzan
14%inclusion68 decks489 decks
12%synergy
Fell the Mighty
13%inclusion67 decks503 decks
11%synergy
Skyshroud Claim
13%inclusion67 decks503 decks
5%synergy
Damn
13%inclusion65 decks503 decks
-2%synergy
Reanimate
13%inclusion63 decks503 decks
-7%synergy
Dusk // Dawn
12%inclusion60 decks503 decks
8%synergy
Bala Ged Recovery
10%inclusion50 decks503 decks
2%synergy
Tip the Scales
10%inclusion47 decks490 decks
9%synergy
Feed the Swarm
8.5%inclusion43 decks503 decks
-7%synergy
Ezuri's Predation
7.4%inclusion37 decks503 decks
5%synergy
Night's Whisper
7.4%inclusion37 decks503 decks
-2%synergy
Shamanic Revelation
7.2%inclusion36 decks503 decks
0%synergy
Austere Command
7.0%inclusion35 decks503 decks
-5%synergy
Perennation
6.4%inclusion32 decks503 decks
5%synergy
Rishkar's Expertise
6.4%inclusion32 decks503 decks
-3%synergy
Pact of the Serpent
6.2%inclusion31 decks503 decks
5%synergy
Nature's Rhythm
6.1%inclusion30 decks490 decks
2%synergy
Kin-Tree Invocation
5.2%inclusion26 decks503 decks
5%synergy
Utility Artifacts
Lightning Greaves
34%inclusion169 decks503 decks
9%synergy
Swiftfoot Boots
26%inclusion132 decks503 decks
-1%synergy
Rammas Echor, Ancient Shield
21%inclusion106 decks503 decks
20%synergy
Meekstone
16%inclusion78 decks503 decks
15%synergy
The Great Henge
15%inclusion75 decks503 decks
6%synergy
Colfenor's Urn
10%inclusion48 decks503 decks
9%synergy
Strionic Resonator
8.9%inclusion45 decks503 decks
7%synergy
Thousand-Year Elixir
7.0%inclusion35 decks503 decks
5%synergy
Slagwurm Armor
6.4%inclusion32 decks503 decks
6%synergy
Vanquisher's Banner
5.4%inclusion27 decks503 decks
2%synergy
Enchantments
Unnatural Growth
46%inclusion232 decks503 decks
40%synergy
Guardian Project
43%inclusion215 decks503 decks
35%synergy
Jaws of Defeat
40%inclusion196 decks489 decks
39%synergy
Stoneskin
29%inclusion148 decks503 decks
28%synergy
Phyrexian Arena
22%inclusion110 decks503 decks
7%synergy
Black Market Connections
21%inclusion107 decks503 decks
9%synergy
Smothering Tithe
18%inclusion93 decks503 decks
-2%synergy
Warlock Class
16%inclusion80 decks503 decks
15%synergy
Smile at Death
15%inclusion75 decks503 decks
14%synergy
Behind the Scenes
14%inclusion72 decks503 decks
13%synergy
Defense of the Heart
13%inclusion65 decks503 decks
10%synergy
Sylvan Library
12%inclusion60 decks503 decks
3%synergy
Brave the Sands
11%inclusion55 decks503 decks
9%synergy
Trouble in Pairs
10%inclusion50 decks503 decks
5%synergy
Exquisite Blood
10%inclusion50 decks503 decks
5%synergy
Barrensteppe Siege
8.5%inclusion43 decks503 decks
7%synergy
Spidersilk Armor
8.2%inclusion41 decks503 decks
8%synergy
Mirari's Wake
8.0%inclusion40 decks503 decks
-2%synergy
Angelic Chorus
7.0%inclusion35 decks503 decks
6%synergy
Ghostly Prison
7.0%inclusion35 decks503 decks
-4%synergy
Tribute to the World Tree
6.0%inclusion30 decks503 decks
1%synergy
Branching Evolution
6.0%inclusion30 decks503 decks
-1%synergy
Hardened Scales
6.0%inclusion30 decks503 decks
-4%synergy
Hollowmurk Siege
5.6%inclusion28 decks498 decks
3%synergy
Cryptolith Rite
5.6%inclusion28 decks503 decks
2%synergy
Colossification
5.4%inclusion27 decks503 decks
4%synergy
Sanguine Bond
5.4%inclusion27 decks503 decks
0%synergy
Planeswalkers
Huatli, the Sun's Heart
23%inclusion114 decks503 decks
22%synergy
Tyvar, Jubilant Brawler
7.6%inclusion38 decks503 decks
4%synergy
Utility Lands
Bojuka Bog
39%inclusion198 decks503 decks
10%synergy
Yavimaya, Cradle of Growth
34%inclusion169 decks503 decks
25%synergy
Boseiju, Who Endures
29%inclusion146 decks503 decks
10%synergy
Reliquary Tower
27%inclusion138 decks503 decks
-2%synergy
Urborg, Tomb of Yawgmoth
22%inclusion111 decks503 decks
13%synergy
Access Tunnel
15%inclusion76 decks503 decks
13%synergy
Vault of the Archangel
11%inclusion57 decks503 decks
-1%synergy
Shifting Woodland
10%inclusion49 decks503 decks
3%synergy
Gavony Township
9.1%inclusion46 decks503 decks
2%synergy
Rogue's Passage
9.1%inclusion46 decks503 decks
-11%synergy
Forbidding Watchtower
8.7%inclusion44 decks503 decks
9%synergy
Nykthos, Shrine to Nyx
7.0%inclusion35 decks503 decks
2%synergy
Three Tree City
6.6%inclusion33 decks503 decks
1%synergy
Takenuma, Abandoned Mire
6.2%inclusion31 decks503 decks
-2%synergy
Temple of the False God
6.0%inclusion30 decks503 decks
-3%synergy
Mana Artifacts
Sol Ring
90%inclusion452 decks503 decks
6%synergy
Arcane Signet
72%inclusion363 decks503 decks
0%synergy
Talisman of Resilience
12%inclusion59 decks503 decks
-1%synergy
Selesnya Signet
11%inclusion54 decks503 decks
4%synergy
Talisman of Hierarchy
11%inclusion53 decks503 decks
-16%synergy
Talisman of Unity
10%inclusion52 decks503 decks
3%synergy
Fellwar Stone
10%inclusion52 decks503 decks
-10%synergy
Orzhov Signet
10%inclusion50 decks503 decks
-13%synergy
Chromatic Lantern
7.2%inclusion36 decks503 decks
-1%synergy
Golgari Signet
7.0%inclusion35 decks503 decks
-3%synergy
Lands
Command Tower
93%inclusion469 decks503 decks
19%synergy
Overgrown Tomb
68%inclusion344 decks503 decks
27%synergy
Temple Garden
68%inclusion343 decks503 decks
29%synergy
Godless Shrine
67%inclusion339 decks503 decks
26%synergy
Indatha Triome
59%inclusion295 decks503 decks
32%synergy
Sunpetal Grove
53%inclusion266 decks503 decks
25%synergy
Exotic Orchard
53%inclusion266 decks503 decks
16%synergy
Woodland Cemetery
52%inclusion264 decks503 decks
20%synergy
Isolated Chapel
51%inclusion257 decks503 decks
17%synergy
Bountiful Promenade
50%inclusion252 decks503 decks
28%synergy
Undergrowth Stadium
50%inclusion251 decks503 decks
26%synergy
Overgrown Farmland
49%inclusion247 decks503 decks
32%synergy
Marsh Flats
49%inclusion246 decks503 decks
38%synergy
Verdant Catacombs
48%inclusion243 decks503 decks
37%synergy
Vault of Champions
48%inclusion243 decks503 decks
25%synergy
Windswept Heath
48%inclusion242 decks503 decks
37%synergy
Sandsteppe Citadel
48%inclusion239 decks503 decks
22%synergy
Canopy Vista
33%inclusion167 decks503 decks
-2%synergy
Hushwood Verge
31%inclusion158 decks503 decks
22%synergy
Wastewood Verge
30%inclusion149 decks503 decks
22%synergy
Deathcap Glade
29%inclusion146 decks503 decks
16%synergy
Brushland
28%inclusion141 decks503 decks
8%synergy
Caves of Koilos
27%inclusion135 decks503 decks
-2%synergy
Llanowar Wastes
26%inclusion133 decks503 decks
0%synergy
Shattered Sanctum
24%inclusion120 decks503 decks
9%synergy
Lush Portico
24%inclusion119 decks503 decks
15%synergy
Underground Mortuary
23%inclusion118 decks503 decks
11%synergy
Bleachbone Verge
23%inclusion117 decks503 decks
15%synergy
Twilight Mire
23%inclusion116 decks503 decks
10%synergy
Fortified Village
19%inclusion95 decks503 decks
3%synergy
Deceptive Landscape
19%inclusion94 decks503 decks
11%synergy
Bayou
18%inclusion92 decks503 decks
5%synergy
Savannah
18%inclusion91 decks503 decks
5%synergy
Scrubland
18%inclusion89 decks503 decks
4%synergy
Shadowy Backstreet
17%inclusion85 decks503 decks
7%synergy
Murmuring Bosk
15%inclusion76 decks503 decks
9%synergy
Sungrass Prairie
15%inclusion75 decks503 decks
2%synergy
Path of Ancestry
14%inclusion69 decks503 decks
-9%synergy
Evolving Wilds
13%inclusion65 decks503 decks
-8%synergy
Flooded Strand
12%inclusion59 decks503 decks
0%synergy
Misty Rainforest
11%inclusion57 decks503 decks
0%synergy
Wooded Foothills
11%inclusion56 decks503 decks
0%synergy
City of Brass
10%inclusion51 decks503 decks
3%synergy
Bloodstained Mire
10%inclusion51 decks503 decks
-1%synergy
Polluted Delta
10%inclusion51 decks503 decks
-2%synergy
Fabled Passage
10%inclusion49 decks503 decks
0%synergy
Temple of Malady
10%inclusion49 decks503 decks
-6%synergy
Arid Mesa
8.9%inclusion45 decks503 decks
-1%synergy
Temple of Plenty
8.9%inclusion45 decks503 decks
-4%synergy
Temple of Silence
8.5%inclusion43 decks503 decks
-8%synergy