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
6.1%inclusion405 decks6.64K decks
Betor, Ancestor's Voice
0.0%inclusion4 decks10.4K decks
Felothar the Steadfast
0.0%inclusion2 decks12.4K decks
The Ur-Dragon
0.0%inclusion2 decks25.7K decks
Ikra Shidiqi, the Usurper // Tymna the Weaver
0.5%inclusion2 decks400 decks
Morophon, the Boundless
0.0%inclusion1 decks6.88K decks
Tayam, Luminous Enigma
0.0%inclusion1 decks3.92K decks
Esika, God of the Tree
0.0%inclusion1 decks10.9K decks
Felothar, Dawn of the Abzan
0.0%inclusion1 decks4.37K decks
Frodo, Adventurous Hobbit // Sam, Loyal Attendant
0.0%inclusion1 decks11.5K decks
Saskia the Unyielding
0.0%inclusion1 decks3.88K decks
New Cards
The Walls of Ba Sing Se
66%inclusion75 decks114 decks
64%synergy
Bitter Work
50%inclusion1 decks2 decks
45%synergy
Badgermole Cub
6.6%inclusion8 decks122 decks
1%synergy
Abandoned Air Temple
5.3%inclusion6 decks114 decks
0%synergy
Formidable Speaker
2.8%inclusion4 decks141 decks
2%synergy
High Synergy Cards
Bloodletter of Aclazotz
85%inclusion358 decks421 decks
81%synergy
Tree of Perdition
72%inclusion305 decks421 decks
71%synergy
Wound Reflection
70%inclusion294 decks421 decks
68%synergy
Tree of Redemption
65%inclusion272 decks421 decks
64%synergy
Arbor Adherent
62%inclusion251 decks407 decks
60%synergy
Bedrock Tortoise
58%inclusion245 decks421 decks
57%synergy
Felothar the Steadfast
57%inclusion242 decks421 decks
56%synergy
Last March of the Ents
57%inclusion238 decks421 decks
53%synergy
Sylvan Caryatid
54%inclusion229 decks421 decks
53%synergy
Fecund Greenshell
51%inclusion213 decks421 decks
49%synergy
Top Cards
Swords to Plowshares
77%inclusion323 decks421 decks
15%synergy
Heroic Intervention
60%inclusion252 decks421 decks
29%synergy
Assassin's Trophy
54%inclusion229 decks421 decks
24%synergy
Anguished Unmaking
52%inclusion220 decks421 decks
28%synergy
Farseek
51%inclusion215 decks421 decks
15%synergy
Path to Exile
51%inclusion215 decks421 decks
4%synergy
Assault Formation
51%inclusion213 decks421 decks
49%synergy
Birds of Paradise
50%inclusion211 decks421 decks
23%synergy
Doran, the Siege Tower
50%inclusion210 decks421 decks
48%synergy
Tower Defense
48%inclusion202 decks421 decks
47%synergy
Game Changers
Teferi's Protection
29%inclusion124 decks421 decks
12%synergy
Demonic Tutor
21%inclusion90 decks421 decks
2%synergy
Smothering Tithe
18%inclusion77 decks421 decks
-3%synergy
Vampiric Tutor
16%inclusion66 decks421 decks
0%synergy
Worldly Tutor
14%inclusion59 decks421 decks
2%synergy
Seedborn Muse
11%inclusion48 decks421 decks
3%synergy
Ancient Tomb
9.0%inclusion38 decks421 decks
0%synergy
The One Ring
8.8%inclusion37 decks421 decks
0%synergy
Aura Shards
7.6%inclusion32 decks421 decks
0%synergy
Gaea's Cradle
6.4%inclusion27 decks421 decks
1%synergy
Creatures
Balefire Dragon
60%inclusion3 decks5 decks
57%synergy
Crystal Barricade
47%inclusion198 decks421 decks
45%synergy
Wall of Omens
46%inclusion194 decks421 decks
43%synergy
Canopy Gargantuan
46%inclusion186 decks407 decks
44%synergy
Wall of Blossoms
45%inclusion191 decks421 decks
44%synergy
Indomitable Ancients
45%inclusion188 decks421 decks
44%synergy
Zopandrel, Hunger Dominus
45%inclusion188 decks421 decks
41%synergy
Baldin, Century Herdmaster
44%inclusion184 decks421 decks
43%synergy
Overgrown Battlement
40%inclusion169 decks421 decks
39%synergy
Towering Titan
37%inclusion154 decks421 decks
36%synergy
Faeburrow Elder
36%inclusion151 decks421 decks
25%synergy
Ikra Shidiqi, the Usurper
34%inclusion142 decks421 decks
32%synergy
Beast Whisperer
33%inclusion141 decks421 decks
23%synergy
Dragonlord Dromoka
32%inclusion136 decks421 decks
28%synergy
Unhallowed Phalanx
32%inclusion135 decks421 decks
32%synergy
Ancient Adamantoise
28%inclusion74 decks262 decks
27%synergy
Ancient Lumberknot
26%inclusion111 decks421 decks
26%synergy
Axebane Guardian
26%inclusion111 decks421 decks
25%synergy
Crashing Drawbridge
26%inclusion111 decks421 decks
25%synergy
Ohran Frostfang
26%inclusion111 decks421 decks
20%synergy
Weathered Sentinels
26%inclusion109 decks421 decks
25%synergy
Trostani, Selesnya's Voice
25%inclusion105 decks421 decks
23%synergy
Rampart Architect
24%inclusion99 decks407 decks
23%synergy
Fanatic of Rhonas
24%inclusion100 decks421 decks
18%synergy
Llanowar Elves
24%inclusion100 decks421 decks
4%synergy
Sapling of Colfenor
24%inclusion99 decks421 decks
23%synergy
Avacyn's Pilgrim
23%inclusion97 decks421 decks
11%synergy
Abzan Beastmaster
22%inclusion92 decks421 decks
21%synergy
Runic Armasaur
22%inclusion92 decks421 decks
20%synergy
Delighted Halfling
21%inclusion90 decks421 decks
9%synergy
Colfenor, the Last Yew
18%inclusion76 decks421 decks
17%synergy
Arboreal Grazer
18%inclusion76 decks421 decks
17%synergy
Welcoming Vampire
18%inclusion76 decks421 decks
12%synergy
Bloom Tender
18%inclusion75 decks421 decks
10%synergy
Elves of Deep Shadow
18%inclusion75 decks421 decks
9%synergy
Shalai, Voice of Plenty
18%inclusion74 decks421 decks
11%synergy
Elvish Mystic
17%inclusion71 decks421 decks
1%synergy
Nyx-Fleece Ram
16%inclusion68 decks421 decks
15%synergy
Catapult Fodder
16%inclusion67 decks421 decks
16%synergy
Vine Trellis
16%inclusion66 decks421 decks
15%synergy
Flumph
16%inclusion66 decks421 decks
14%synergy
Astarion, the Decadent
16%inclusion66 decks421 decks
14%synergy
Nethroi, Apex of Death
16%inclusion66 decks421 decks
13%synergy
Wall of Shards
15%inclusion64 decks421 decks
15%synergy
Esper Sentinel
15%inclusion62 decks421 decks
-4%synergy
Wall of Roots
14%inclusion59 decks421 decks
13%synergy
Voice of Victory
13%inclusion56 decks421 decks
7%synergy
Selvala, Heart of the Wilds
13%inclusion55 decks421 decks
8%synergy
Essence of Antiquity
13%inclusion53 decks421 decks
12%synergy
Carven Caryatid
12%inclusion52 decks421 decks
12%synergy
Instants
Beast Within
31%inclusion132 decks421 decks
-3%synergy
Dawn's Truce
26%inclusion109 decks421 decks
19%synergy
Despark
26%inclusion108 decks421 decks
12%synergy
Flawless Maneuver
25%inclusion104 decks421 decks
14%synergy
Generous Gift
21%inclusion90 decks421 decks
-1%synergy
Clever Concealment
19%inclusion80 decks421 decks
15%synergy
Akroma's Will
16%inclusion69 decks421 decks
7%synergy
Deadly Rollick
16%inclusion66 decks421 decks
2%synergy
Eladamri's Call
15%inclusion62 decks421 decks
6%synergy
Stroke of Midnight
12%inclusion51 decks421 decks
2%synergy
Chord of Calling
12%inclusion49 decks421 decks
6%synergy
Tear Asunder
10%inclusion44 decks421 decks
3%synergy
Enlightened Tutor
10%inclusion43 decks421 decks
-5%synergy
Return of the Wildspeaker
10%inclusion42 decks421 decks
-1%synergy
Fell the Profane
9.3%inclusion39 decks421 decks
0%synergy
Abzan Charm
9.0%inclusion38 decks421 decks
5%synergy
Overkill
8.8%inclusion23 decks260 decks
7%synergy
Infernal Grasp
8.6%inclusion36 decks421 decks
1%synergy
Mortify
8.6%inclusion36 decks421 decks
-2%synergy
Putrefy
8.6%inclusion36 decks421 decks
-7%synergy
Revitalizing Repast
8.3%inclusion35 decks421 decks
0%synergy
Malakir Rebirth
7.6%inclusion32 decks421 decks
-1%synergy
Dark Ritual
7.6%inclusion32 decks421 decks
-17%synergy
Mythos of Nethroi
6.4%inclusion27 decks421 decks
5%synergy
Bar the Door
6.2%inclusion26 decks421 decks
6%synergy
Inspiring Call
5.9%inclusion25 decks421 decks
-2%synergy
Abrupt Decay
5.7%inclusion24 decks421 decks
-4%synergy
Nature's Claim
5.2%inclusion22 decks421 decks
-2%synergy
Sorceries
Nature's Lore
48%inclusion201 decks421 decks
16%synergy
Cultivate
46%inclusion192 decks421 decks
3%synergy
Three Visits
43%inclusion181 decks421 decks
19%synergy
Toxic Deluge
39%inclusion164 decks421 decks
21%synergy
Kodama's Reach
33%inclusion141 decks421 decks
6%synergy
Eerie Ultimatum
30%inclusion128 decks421 decks
19%synergy
Rampant Growth
30%inclusion127 decks421 decks
-3%synergy
Wave of Reckoning
22%inclusion94 decks421 decks
22%synergy
Slaughter the Strong
20%inclusion86 decks421 decks
19%synergy
Reunion of the House
20%inclusion80 decks407 decks
19%synergy
Expel the Interlopers
18%inclusion76 decks421 decks
17%synergy
Finale of Devastation
14%inclusion59 decks421 decks
6%synergy
Skyshroud Claim
14%inclusion58 decks421 decks
5%synergy
Will of the Abzan
14%inclusion55 decks407 decks
12%synergy
Damn
13%inclusion56 decks421 decks
-2%synergy
Fell the Mighty
13%inclusion53 decks421 decks
10%synergy
Dusk // Dawn
12%inclusion51 decks421 decks
9%synergy
Reanimate
12%inclusion51 decks421 decks
-7%synergy
Farewell
11%inclusion48 decks421 decks
-1%synergy
Tip the Scales
10%inclusion41 decks408 decks
10%synergy
Bala Ged Recovery
10%inclusion42 decks421 decks
2%synergy
Feed the Swarm
8.3%inclusion35 decks421 decks
-8%synergy
Shamanic Revelation
7.8%inclusion33 decks421 decks
1%synergy
Perennation
7.6%inclusion32 decks421 decks
6%synergy
Night's Whisper
7.6%inclusion32 decks421 decks
-1%synergy
Ezuri's Predation
7.4%inclusion31 decks421 decks
5%synergy
Austere Command
7.1%inclusion30 decks421 decks
-5%synergy
Rishkar's Expertise
6.7%inclusion28 decks421 decks
-3%synergy
Pact of the Serpent
6.2%inclusion26 decks421 decks
5%synergy
Kin-Tree Invocation
5.7%inclusion24 decks421 decks
6%synergy
Nature's Rhythm
5.4%inclusion22 decks408 decks
1%synergy
Utility Artifacts
Lightning Greaves
33%inclusion139 decks421 decks
8%synergy
Swiftfoot Boots
27%inclusion113 decks421 decks
0%synergy
Rammas Echor, Ancient Shield
21%inclusion88 decks421 decks
20%synergy
Meekstone
16%inclusion67 decks421 decks
15%synergy
The Great Henge
15%inclusion65 decks421 decks
6%synergy
Colfenor's Urn
10%inclusion41 decks421 decks
10%synergy
Strionic Resonator
10%inclusion40 decks421 decks
7%synergy
Slagwurm Armor
7.1%inclusion30 decks421 decks
7%synergy
Thousand-Year Elixir
7.1%inclusion30 decks421 decks
5%synergy
Vanquisher's Banner
6.2%inclusion26 decks421 decks
3%synergy
Enchantments
Call the Spirit Dragons
75%inclusion3 decks4 decks
68%synergy
Dracogenesis
60%inclusion3 decks5 decks
58%synergy
Unnatural Growth
48%inclusion200 decks421 decks
41%synergy
Guardian Project
45%inclusion189 decks421 decks
37%synergy
Jaws of Defeat
39%inclusion160 decks407 decks
39%synergy
Stoneskin
30%inclusion126 decks421 decks
29%synergy
Phyrexian Arena
21%inclusion90 decks421 decks
6%synergy
Black Market Connections
21%inclusion89 decks421 decks
9%synergy
Warlock Class
17%inclusion72 decks421 decks
17%synergy
Smile at Death
16%inclusion66 decks421 decks
15%synergy
Behind the Scenes
15%inclusion62 decks421 decks
14%synergy
Defense of the Heart
12%inclusion49 decks421 decks
9%synergy
Trouble in Pairs
11%inclusion48 decks421 decks
7%synergy
Sylvan Library
11%inclusion48 decks421 decks
2%synergy
Brave the Sands
11%inclusion47 decks421 decks
9%synergy
Spidersilk Armor
9.3%inclusion39 decks421 decks
9%synergy
Barrensteppe Siege
9.3%inclusion39 decks421 decks
7%synergy
Exquisite Blood
8.3%inclusion35 decks421 decks
3%synergy
Mirari's Wake
8.1%inclusion34 decks421 decks
-3%synergy
Angelic Chorus
6.9%inclusion29 decks421 decks
6%synergy
Ghostly Prison
6.9%inclusion29 decks421 decks
-5%synergy
Branching Evolution
6.2%inclusion26 decks421 decks
0%synergy
Tribute to the World Tree
5.9%inclusion25 decks421 decks
0%synergy
Cryptolith Rite
5.7%inclusion24 decks421 decks
2%synergy
Hardened Scales
5.7%inclusion24 decks421 decks
-4%synergy
Colossification
5.5%inclusion23 decks421 decks
4%synergy
Hollowmurk Siege
5.0%inclusion21 decks416 decks
2%synergy
Planeswalkers
Huatli, the Sun's Heart
23%inclusion98 decks421 decks
22%synergy
Tyvar, Jubilant Brawler
7.8%inclusion33 decks421 decks
4%synergy
Utility Lands
Bojuka Bog
39%inclusion165 decks421 decks
9%synergy
Yavimaya, Cradle of Growth
34%inclusion145 decks421 decks
26%synergy
Boseiju, Who Endures
28%inclusion119 decks421 decks
9%synergy
Reliquary Tower
27%inclusion115 decks421 decks
-3%synergy
Urborg, Tomb of Yawgmoth
21%inclusion90 decks421 decks
12%synergy
Access Tunnel
14%inclusion61 decks421 decks
12%synergy
Vault of the Archangel
11%inclusion45 decks421 decks
-1%synergy
Shifting Woodland
10%inclusion44 decks421 decks
3%synergy
Gavony Township
10%inclusion43 decks421 decks
2%synergy
Forbidding Watchtower
10%inclusion40 decks421 decks
9%synergy
Rogue's Passage
9.0%inclusion38 decks421 decks
-11%synergy
Nykthos, Shrine to Nyx
7.6%inclusion32 decks421 decks
2%synergy
Takenuma, Abandoned Mire
7.6%inclusion32 decks421 decks
-1%synergy
Three Tree City
7.1%inclusion30 decks421 decks
2%synergy
Temple of the False God
6.4%inclusion27 decks421 decks
-3%synergy
Evendo, Waking Haven
6.0%inclusion12 decks201 decks
1%synergy
Mana Artifacts
Sol Ring
90%inclusion378 decks421 decks
6%synergy
Arcane Signet
72%inclusion302 decks421 decks
0%synergy
Selesnya Signet
11%inclusion46 decks421 decks
3%synergy
Fellwar Stone
10%inclusion44 decks421 decks
-10%synergy
Talisman of Unity
10%inclusion43 decks421 decks
3%synergy
Talisman of Resilience
10%inclusion43 decks421 decks
-2%synergy
Orzhov Signet
10%inclusion43 decks421 decks
-14%synergy
Talisman of Hierarchy
10%inclusion40 decks421 decks
-17%synergy
Chromatic Lantern
7.6%inclusion32 decks421 decks
-1%synergy
Golgari Signet
7.1%inclusion30 decks421 decks
-3%synergy
Lands
Command Tower
93%inclusion393 decks421 decks
19%synergy
Overgrown Tomb
68%inclusion287 decks421 decks
28%synergy
Temple Garden
67%inclusion280 decks421 decks
28%synergy
Godless Shrine
66%inclusion279 decks421 decks
25%synergy
Indatha Triome
60%inclusion253 decks421 decks
32%synergy
Sacred Foundry
60%inclusion3 decks5 decks
24%synergy
Sunpetal Grove
54%inclusion229 decks421 decks
27%synergy
Woodland Cemetery
54%inclusion229 decks421 decks
23%synergy
Isolated Chapel
53%inclusion225 decks421 decks
20%synergy
Exotic Orchard
52%inclusion221 decks421 decks
16%synergy
Undergrowth Stadium
52%inclusion217 decks421 decks
28%synergy
Bountiful Promenade
51%inclusion214 decks421 decks
28%synergy
Marsh Flats
50%inclusion212 decks421 decks
40%synergy
Overgrown Farmland
50%inclusion211 decks421 decks
33%synergy
Vault of Champions
50%inclusion209 decks421 decks
25%synergy
Verdant Catacombs
49%inclusion206 decks421 decks
38%synergy
Windswept Heath
49%inclusion205 decks421 decks
38%synergy
Sandsteppe Citadel
46%inclusion192 decks421 decks
20%synergy
Canopy Vista
34%inclusion143 decks421 decks
-2%synergy
Hushwood Verge
33%inclusion138 decks421 decks
23%synergy
Wastewood Verge
31%inclusion131 decks421 decks
24%synergy
Deathcap Glade
31%inclusion130 decks421 decks
18%synergy
Brushland
28%inclusion118 decks421 decks
9%synergy
Caves of Koilos
27%inclusion113 decks421 decks
-2%synergy
Llanowar Wastes
26%inclusion110 decks421 decks
-1%synergy
Lush Portico
25%inclusion106 decks421 decks
16%synergy
Bleachbone Verge
24%inclusion102 decks421 decks
16%synergy
Underground Mortuary
24%inclusion101 decks421 decks
11%synergy
Shattered Sanctum
24%inclusion101 decks421 decks
9%synergy
Twilight Mire
22%inclusion94 decks421 decks
9%synergy
Fortified Village
20%inclusion83 decks421 decks
4%synergy
Bayou
19%inclusion81 decks421 decks
6%synergy
Savannah
19%inclusion79 decks421 decks
6%synergy
Scrubland
19%inclusion79 decks421 decks
5%synergy
Deceptive Landscape
18%inclusion76 decks421 decks
10%synergy
Shadowy Backstreet
17%inclusion72 decks421 decks
7%synergy
Murmuring Bosk
16%inclusion67 decks421 decks
9%synergy
Sungrass Prairie
14%inclusion59 decks421 decks
1%synergy
Evolving Wilds
14%inclusion58 decks421 decks
-7%synergy
Flooded Strand
13%inclusion54 decks421 decks
1%synergy
Path of Ancestry
13%inclusion53 decks421 decks
-9%synergy
Misty Rainforest
11%inclusion48 decks421 decks
0%synergy
Wooded Foothills
11%inclusion47 decks421 decks
0%synergy
Polluted Delta
11%inclusion46 decks421 decks
-1%synergy
Fabled Passage
10%inclusion44 decks421 decks
1%synergy
Bloodstained Mire
10%inclusion44 decks421 decks
-1%synergy
Temple of Malady
9.3%inclusion39 decks421 decks
-7%synergy
City of Brass
9.0%inclusion38 decks421 decks
2%synergy
Temple of Plenty
8.8%inclusion37 decks421 decks
-5%synergy
Arid Mesa
8.6%inclusion36 decks421 decks
-2%synergy