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
5.9%inclusion485 decks8.21K decks
Betor, Ancestor's Voice
0.1%inclusion11 decks14K decks
Felothar the Steadfast
0.0%inclusion5 decks16.4K decks
The Ur-Dragon
0.0%inclusion2 decks33.9K decks
Ikra Shidiqi, the Usurper // Tymna the Weaver
0.4%inclusion2 decks540 decks
Tayam, Luminous Enigma
0.0%inclusion1 decks5.49K decks
Esika, God of the Tree
0.0%inclusion1 decks15.4K decks
Doran, Besieged by Time
0.0%inclusion1 decks9.03K decks
Nethroi, Apex of Death
0.0%inclusion1 decks4.63K decks
Ulalek, Fused Atrocity
0.0%inclusion1 decks17.2K decks
Felothar, Dawn of the Abzan
0.0%inclusion1 decks5.35K decks
Frodo, Adventurous Hobbit // Sam, Loyal Attendant
0.0%inclusion1 decks15.4K decks
Saskia the Unyielding
0.0%inclusion1 decks5.10K decks
New Cards
Transdimensional Bovine
9.3%inclusion12 decks129 decks
9%synergy
Erode
6.9%inclusion2 decks29 decks
5%synergy
Glorious Decay
5.0%inclusion1 decks20 decks
5%synergy
Slumbering Trudge
4.2%inclusion1 decks24 decks
4%synergy
Eclipsed Steppe
3.0%inclusion1 decks33 decks
-1%synergy
High Synergy Cards
Bloodletter of Aclazotz
85%inclusion435 decks513 decks
81%synergy
Tree of Perdition
74%inclusion378 decks513 decks
72%synergy
Wound Reflection
68%inclusion349 decks513 decks
66%synergy
Tree of Redemption
64%inclusion328 decks513 decks
63%synergy
Arbor Adherent
62%inclusion310 decks499 decks
61%synergy
The Walls of Ba Sing Se
61%inclusion139 decks228 decks
59%synergy
Bedrock Tortoise
56%inclusion286 decks513 decks
55%synergy
Felothar the Steadfast
57%inclusion291 decks513 decks
55%synergy
Last March of the Ents
56%inclusion288 decks513 decks
53%synergy
Sylvan Caryatid
53%inclusion274 decks513 decks
52%synergy
Top Cards
Swords to Plowshares
77%inclusion396 decks513 decks
16%synergy
Heroic Intervention
61%inclusion312 decks513 decks
30%synergy
Assassin's Trophy
54%inclusion277 decks513 decks
23%synergy
Path to Exile
53%inclusion272 decks513 decks
6%synergy
Anguished Unmaking
51%inclusion260 decks513 decks
26%synergy
Birds of Paradise
50%inclusion259 decks513 decks
23%synergy
Doran, Besieged by Time
50%inclusion75 decks150 decks
47%synergy
Farseek
50%inclusion255 decks513 decks
14%synergy
Assault Formation
49%inclusion252 decks513 decks
48%synergy
Doran, the Siege Tower
49%inclusion252 decks513 decks
47%synergy
Game Changers
Teferi's Protection
29%inclusion148 decks513 decks
13%synergy
Demonic Tutor
22%inclusion114 decks513 decks
3%synergy
Vampiric Tutor
15%inclusion79 decks513 decks
1%synergy
Worldly Tutor
15%inclusion78 decks513 decks
3%synergy
Seedborn Muse
12%inclusion61 decks513 decks
4%synergy
Farewell
12%inclusion61 decks513 decks
0%synergy
The One Ring
9.4%inclusion48 decks513 decks
1%synergy
Ancient Tomb
9.4%inclusion48 decks513 decks
0%synergy
Aura Shards
7.4%inclusion38 decks513 decks
0%synergy
Gaea's Cradle
7.0%inclusion36 decks513 decks
1%synergy
Creatures
Fecund Greenshell
49%inclusion250 decks513 decks
47%synergy
Crystal Barricade
47%inclusion240 decks513 decks
45%synergy
Wall of Omens
46%inclusion234 decks513 decks
43%synergy
Wall of Blossoms
45%inclusion229 decks513 decks
43%synergy
Canopy Gargantuan
44%inclusion220 decks499 decks
43%synergy
Zopandrel, Hunger Dominus
44%inclusion225 decks513 decks
41%synergy
Indomitable Ancients
42%inclusion214 decks513 decks
41%synergy
Baldin, Century Herdmaster
40%inclusion207 decks513 decks
39%synergy
Overgrown Battlement
40%inclusion205 decks513 decks
39%synergy
Towering Titan
37%inclusion188 decks513 decks
36%synergy
Faeburrow Elder
35%inclusion182 decks513 decks
24%synergy
Dragonlord Dromoka
32%inclusion165 decks513 decks
28%synergy
Beast Whisperer
32%inclusion165 decks513 decks
22%synergy
Ikra Shidiqi, the Usurper
31%inclusion158 decks513 decks
29%synergy
Unhallowed Phalanx
30%inclusion152 decks513 decks
29%synergy
Ancient Adamantoise
30%inclusion106 decks359 decks
29%synergy
Axebane Guardian
27%inclusion139 decks513 decks
26%synergy
Weathered Sentinels
26%inclusion135 decks513 decks
26%synergy
Crashing Drawbridge
26%inclusion133 decks513 decks
24%synergy
Ancient Lumberknot
25%inclusion129 decks513 decks
24%synergy
Fanatic of Rhonas
25%inclusion127 decks513 decks
19%synergy
Ohran Frostfang
24%inclusion125 decks513 decks
19%synergy
Rampart Architect
24%inclusion121 decks499 decks
23%synergy
Llanowar Elves
24%inclusion123 decks513 decks
4%synergy
Avacyn's Pilgrim
23%inclusion120 decks513 decks
11%synergy
Delighted Halfling
23%inclusion117 decks513 decks
11%synergy
Trostani, Selesnya's Voice
23%inclusion116 decks513 decks
21%synergy
Sapling of Colfenor
22%inclusion113 decks513 decks
21%synergy
Abzan Beastmaster
21%inclusion106 decks513 decks
20%synergy
Bloom Tender
20%inclusion101 decks513 decks
12%synergy
Runic Armasaur
19%inclusion100 decks513 decks
18%synergy
Great Forest Druid
19%inclusion29 decks150 decks
18%synergy
Welcoming Vampire
18%inclusion93 decks513 decks
12%synergy
Elves of Deep Shadow
18%inclusion93 decks513 decks
9%synergy
Arboreal Grazer
18%inclusion91 decks513 decks
16%synergy
Colfenor, the Last Yew
17%inclusion87 decks513 decks
15%synergy
Shalai, Voice of Plenty
17%inclusion86 decks513 decks
11%synergy
Elvish Mystic
17%inclusion86 decks513 decks
1%synergy
Astarion, the Decadent
17%inclusion85 decks513 decks
15%synergy
Catapult Fodder
16%inclusion82 decks513 decks
16%synergy
Nethroi, Apex of Death
15%inclusion79 decks513 decks
13%synergy
Vine Trellis
15%inclusion77 decks513 decks
14%synergy
Esper Sentinel
15%inclusion77 decks513 decks
-4%synergy
Flumph
15%inclusion76 decks513 decks
14%synergy
Nyx-Fleece Ram
15%inclusion75 decks513 decks
14%synergy
Wall of Shards
14%inclusion72 decks513 decks
14%synergy
Wall of Roots
14%inclusion71 decks513 decks
13%synergy
Walking Bulwark
13%inclusion69 decks513 decks
13%synergy
Selvala, Heart of the Wilds
13%inclusion68 decks513 decks
7%synergy
Voice of Victory
13%inclusion68 decks513 decks
7%synergy
Instants
Tower Defense
46%inclusion237 decks513 decks
45%synergy
Beast Within
29%inclusion147 decks513 decks
-5%synergy
Despark
26%inclusion134 decks513 decks
13%synergy
Dawn's Truce
26%inclusion132 decks513 decks
19%synergy
Flawless Maneuver
24%inclusion124 decks513 decks
14%synergy
Generous Gift
20%inclusion103 decks513 decks
-1%synergy
Clever Concealment
18%inclusion93 decks513 decks
14%synergy
Akroma's Will
17%inclusion86 decks513 decks
7%synergy
Eladamri's Call
15%inclusion75 decks513 decks
6%synergy
Deadly Rollick
14%inclusion73 decks513 decks
0%synergy
Chord of Calling
14%inclusion71 decks513 decks
9%synergy
Stroke of Midnight
11%inclusion56 decks513 decks
1%synergy
Tear Asunder
11%inclusion55 decks513 decks
3%synergy
Fell the Profane
11%inclusion54 decks513 decks
2%synergy
Enlightened Tutor
10%inclusion53 decks513 decks
-5%synergy
Dark Ritual
10%inclusion51 decks513 decks
-15%synergy
Return of the Wildspeaker
9.4%inclusion48 decks513 decks
-2%synergy
Overkill
9.2%inclusion33 decks357 decks
7%synergy
Infernal Grasp
8.8%inclusion45 decks513 decks
1%synergy
Revitalizing Repast
8.6%inclusion44 decks513 decks
0%synergy
Abzan Charm
8.0%inclusion41 decks513 decks
4%synergy
Putrefy
8.0%inclusion41 decks513 decks
-8%synergy
Malakir Rebirth
7.6%inclusion39 decks513 decks
-1%synergy
Mortify
7.6%inclusion39 decks513 decks
-3%synergy
Mythos of Nethroi
6.4%inclusion33 decks513 decks
5%synergy
Inspiring Call
5.8%inclusion30 decks513 decks
-2%synergy
Bar the Door
5.7%inclusion29 decks513 decks
5%synergy
Abrupt Decay
5.5%inclusion28 decks513 decks
-4%synergy
Rite of Harmony
5.1%inclusion26 decks513 decks
3%synergy
Veil of Summer
5.1%inclusion26 decks513 decks
0%synergy
Sorceries
Nature's Lore
46%inclusion236 decks513 decks
15%synergy
Cultivate
43%inclusion222 decks513 decks
1%synergy
Three Visits
42%inclusion213 decks513 decks
17%synergy
Toxic Deluge
38%inclusion193 decks513 decks
20%synergy
Kodama's Reach
33%inclusion170 decks513 decks
7%synergy
Eerie Ultimatum
28%inclusion146 decks513 decks
18%synergy
Rampant Growth
28%inclusion143 decks513 decks
-5%synergy
Slaughter the Strong
22%inclusion114 decks513 decks
21%synergy
Wave of Reckoning
20%inclusion105 decks513 decks
20%synergy
Reunion of the House
19%inclusion96 decks499 decks
18%synergy
Expel the Interlopers
19%inclusion95 decks513 decks
17%synergy
Finale of Devastation
14%inclusion74 decks513 decks
7%synergy
Skyshroud Claim
13%inclusion68 decks513 decks
5%synergy
Will of the Abzan
13%inclusion66 decks499 decks
12%synergy
Fell the Mighty
13%inclusion65 decks513 decks
10%synergy
Damn
13%inclusion65 decks513 decks
-2%synergy
Reanimate
12%inclusion64 decks513 decks
-7%synergy
Dusk // Dawn
12%inclusion59 decks513 decks
8%synergy
Bala Ged Recovery
10%inclusion50 decks513 decks
2%synergy
Tip the Scales
9.4%inclusion47 decks500 decks
9%synergy
Feed the Swarm
8.2%inclusion42 decks513 decks
-8%synergy
Ezuri's Predation
7.6%inclusion39 decks513 decks
5%synergy
Shamanic Revelation
7.4%inclusion38 decks513 decks
1%synergy
Night's Whisper
7.2%inclusion37 decks513 decks
-2%synergy
Austere Command
7.0%inclusion36 decks513 decks
-5%synergy
Rishkar's Expertise
6.8%inclusion35 decks513 decks
-2%synergy
Pact of the Serpent
6.4%inclusion33 decks513 decks
5%synergy
Perennation
6.2%inclusion32 decks513 decks
5%synergy
Nature's Rhythm
6.0%inclusion30 decks500 decks
2%synergy
Kin-Tree Invocation
5.3%inclusion27 decks513 decks
5%synergy
Green Sun's Zenith
5.1%inclusion26 decks513 decks
0%synergy
Utility Artifacts
Lightning Greaves
34%inclusion174 decks513 decks
9%synergy
Swiftfoot Boots
26%inclusion131 decks513 decks
-1%synergy
Rammas Echor, Ancient Shield
21%inclusion107 decks513 decks
20%synergy
Meekstone
15%inclusion78 decks513 decks
15%synergy
The Great Henge
15%inclusion77 decks513 decks
6%synergy
Colfenor's Urn
10%inclusion49 decks513 decks
9%synergy
Strionic Resonator
9.2%inclusion47 decks513 decks
7%synergy
Thousand-Year Elixir
7.2%inclusion37 decks513 decks
6%synergy
Slagwurm Armor
6.2%inclusion32 decks513 decks
6%synergy
Vanquisher's Banner
5.5%inclusion28 decks513 decks
2%synergy
Enchantments
Unnatural Growth
45%inclusion233 decks513 decks
39%synergy
Guardian Project
42%inclusion216 decks513 decks
34%synergy
Jaws of Defeat
40%inclusion199 decks499 decks
39%synergy
Stoneskin
28%inclusion146 decks513 decks
28%synergy
Black Market Connections
21%inclusion110 decks513 decks
9%synergy
Phyrexian Arena
21%inclusion110 decks513 decks
6%synergy
Smothering Tithe
18%inclusion93 decks513 decks
-3%synergy
Warlock Class
16%inclusion80 decks513 decks
15%synergy
Smile at Death
14%inclusion74 decks513 decks
13%synergy
Behind the Scenes
14%inclusion73 decks513 decks
13%synergy
Defense of the Heart
13%inclusion67 decks513 decks
11%synergy
Sylvan Library
12%inclusion60 decks513 decks
3%synergy
Brave the Sands
11%inclusion56 decks513 decks
9%synergy
Trouble in Pairs
10%inclusion51 decks513 decks
5%synergy
Exquisite Blood
10%inclusion49 decks513 decks
4%synergy
Barrensteppe Siege
8.8%inclusion45 decks513 decks
7%synergy
Spidersilk Armor
8.2%inclusion42 decks513 decks
8%synergy
Mirari's Wake
7.8%inclusion40 decks513 decks
-2%synergy
Angelic Chorus
7.0%inclusion36 decks513 decks
6%synergy
Ghostly Prison
6.6%inclusion34 decks513 decks
-5%synergy
Branching Evolution
6.0%inclusion31 decks513 decks
-1%synergy
Tribute to the World Tree
5.8%inclusion30 decks513 decks
1%synergy
Hardened Scales
5.8%inclusion30 decks513 decks
-4%synergy
Hollowmurk Siege
5.7%inclusion29 decks508 decks
3%synergy
Cryptolith Rite
5.7%inclusion29 decks513 decks
2%synergy
Colossification
5.3%inclusion27 decks513 decks
4%synergy
Sanguine Bond
5.1%inclusion26 decks513 decks
0%synergy
Planeswalkers
Huatli, the Sun's Heart
22%inclusion113 decks513 decks
21%synergy
Tyvar, Jubilant Brawler
7.8%inclusion40 decks513 decks
5%synergy
Utility Lands
Bojuka Bog
39%inclusion199 decks513 decks
9%synergy
Yavimaya, Cradle of Growth
34%inclusion174 decks513 decks
25%synergy
Boseiju, Who Endures
29%inclusion149 decks513 decks
10%synergy
Reliquary Tower
27%inclusion139 decks513 decks
-3%synergy
Urborg, Tomb of Yawgmoth
22%inclusion113 decks513 decks
13%synergy
Access Tunnel
15%inclusion77 decks513 decks
13%synergy
Vault of the Archangel
11%inclusion58 decks513 decks
-1%synergy
Shifting Woodland
11%inclusion54 decks513 decks
4%synergy
Gavony Township
10%inclusion49 decks513 decks
2%synergy
Rogue's Passage
9.4%inclusion48 decks513 decks
-11%synergy
Forbidding Watchtower
9.0%inclusion46 decks513 decks
9%synergy
Three Tree City
7.0%inclusion36 decks513 decks
2%synergy
Nykthos, Shrine to Nyx
7.0%inclusion36 decks513 decks
2%synergy
Takenuma, Abandoned Mire
6.4%inclusion33 decks513 decks
-2%synergy
Temple of the False God
5.8%inclusion30 decks513 decks
-3%synergy
Mana Artifacts
Sol Ring
90%inclusion460 decks513 decks
6%synergy
Arcane Signet
72%inclusion367 decks513 decks
-1%synergy
Talisman of Resilience
12%inclusion62 decks513 decks
0%synergy
Talisman of Unity
11%inclusion58 decks513 decks
4%synergy
Talisman of Hierarchy
11%inclusion56 decks513 decks
-15%synergy
Selesnya Signet
11%inclusion55 decks513 decks
4%synergy
Fellwar Stone
10%inclusion52 decks513 decks
-10%synergy
Orzhov Signet
10%inclusion52 decks513 decks
-13%synergy
Chromatic Lantern
7.2%inclusion37 decks513 decks
-1%synergy
Golgari Signet
6.8%inclusion35 decks513 decks
-3%synergy
Lands
Command Tower
93%inclusion478 decks513 decks
19%synergy
Overgrown Tomb
68%inclusion350 decks513 decks
27%synergy
Temple Garden
68%inclusion349 decks513 decks
29%synergy
Godless Shrine
67%inclusion345 decks513 decks
26%synergy
Indatha Triome
59%inclusion303 decks513 decks
32%synergy
Exotic Orchard
53%inclusion271 decks513 decks
16%synergy
Sunpetal Grove
53%inclusion270 decks513 decks
24%synergy
Woodland Cemetery
52%inclusion269 decks513 decks
20%synergy
Isolated Chapel
51%inclusion262 decks513 decks
17%synergy
Undergrowth Stadium
50%inclusion254 decks513 decks
26%synergy
Bountiful Promenade
49%inclusion253 decks513 decks
28%synergy
Overgrown Farmland
49%inclusion252 decks513 decks
32%synergy
Marsh Flats
49%inclusion250 decks513 decks
38%synergy
Verdant Catacombs
48%inclusion248 decks513 decks
37%synergy
Windswept Heath
48%inclusion247 decks513 decks
37%synergy
Vault of Champions
48%inclusion244 decks513 decks
24%synergy
Sandsteppe Citadel
47%inclusion241 decks513 decks
21%synergy
Canopy Vista
34%inclusion172 decks513 decks
-2%synergy
Hushwood Verge
31%inclusion161 decks513 decks
22%synergy
Wastewood Verge
29%inclusion151 decks513 decks
22%synergy
Deathcap Glade
29%inclusion149 decks513 decks
16%synergy
Brushland
28%inclusion146 decks513 decks
9%synergy
Llanowar Wastes
27%inclusion137 decks513 decks
0%synergy
Caves of Koilos
27%inclusion136 decks513 decks
-3%synergy
Lush Portico
24%inclusion122 decks513 decks
15%synergy
Shattered Sanctum
24%inclusion121 decks513 decks
8%synergy
Twilight Mire
23%inclusion120 decks513 decks
10%synergy
Underground Mortuary
23%inclusion119 decks513 decks
11%synergy
Bleachbone Verge
23%inclusion117 decks513 decks
14%synergy
Fortified Village
19%inclusion99 decks513 decks
4%synergy
Deceptive Landscape
19%inclusion97 decks513 decks
11%synergy
Bayou
18%inclusion92 decks513 decks
5%synergy
Savannah
18%inclusion91 decks513 decks
5%synergy
Scrubland
17%inclusion89 decks513 decks
4%synergy
Shadowy Backstreet
17%inclusion85 decks513 decks
6%synergy
Murmuring Bosk
15%inclusion78 decks513 decks
9%synergy
Sungrass Prairie
15%inclusion77 decks513 decks
2%synergy
Path of Ancestry
14%inclusion70 decks513 decks
-9%synergy
Evolving Wilds
13%inclusion65 decks513 decks
-8%synergy
Flooded Strand
12%inclusion61 decks513 decks
0%synergy
Wooded Foothills
12%inclusion60 decks513 decks
1%synergy
Misty Rainforest
12%inclusion60 decks513 decks
0%synergy
Bloodstained Mire
11%inclusion55 decks513 decks
-1%synergy
City of Brass
10%inclusion53 decks513 decks
3%synergy
Polluted Delta
10%inclusion53 decks513 decks
-2%synergy
Fabled Passage
10%inclusion49 decks513 decks
0%synergy
Temple of Malady
10%inclusion49 decks513 decks
-6%synergy
Arid Mesa
9.4%inclusion48 decks513 decks
-1%synergy
Temple of Plenty
8.8%inclusion45 decks513 decks
-4%synergy
Temple of Silence
8.4%inclusion43 decks513 decks
-9%synergy