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%inclusion409 decks6.67K decks
Betor, Ancestor's Voice
0.0%inclusion4 decks10.5K decks
Felothar the Steadfast
0.0%inclusion2 decks12.4K decks
The Ur-Dragon
0.0%inclusion2 decks25.8K decks
Ikra Shidiqi, the Usurper // Tymna the Weaver
0.5%inclusion2 decks407 decks
Morophon, the Boundless
0.0%inclusion1 decks6.92K decks
Tayam, Luminous Enigma
0.0%inclusion1 decks3.95K decks
Esika, God of the Tree
0.0%inclusion1 decks11K decks
Felothar, Dawn of the Abzan
0.0%inclusion1 decks4.38K decks
Frodo, Adventurous Hobbit // Sam, Loyal Attendant
0.0%inclusion1 decks11.5K decks
Saskia the Unyielding
0.0%inclusion1 decks3.90K decks
New Cards
The Walls of Ba Sing Se
66%inclusion78 decks118 decks
64%synergy
Bitter Work
50%inclusion1 decks2 decks
45%synergy
Doran, Besieged by Time
25%inclusion1 decks4 decks
24%synergy
Chronicle of Victory
13%inclusion1 decks8 decks
12%synergy
Badgermole Cub
6.3%inclusion8 decks126 decks
1%synergy
High Synergy Cards
Bloodletter of Aclazotz
85%inclusion362 decks425 decks
82%synergy
Tree of Perdition
72%inclusion308 decks425 decks
71%synergy
Wound Reflection
70%inclusion297 decks425 decks
68%synergy
Tree of Redemption
64%inclusion274 decks425 decks
64%synergy
Arbor Adherent
62%inclusion254 decks411 decks
60%synergy
Bedrock Tortoise
58%inclusion246 decks425 decks
57%synergy
Felothar the Steadfast
58%inclusion245 decks425 decks
56%synergy
Last March of the Ents
56%inclusion240 decks425 decks
53%synergy
Sylvan Caryatid
54%inclusion231 decks425 decks
53%synergy
Assault Formation
51%inclusion217 decks425 decks
50%synergy
Top Cards
Swords to Plowshares
77%inclusion327 decks425 decks
15%synergy
Heroic Intervention
60%inclusion255 decks425 decks
30%synergy
Assassin's Trophy
54%inclusion231 decks425 decks
24%synergy
Anguished Unmaking
52%inclusion222 decks425 decks
28%synergy
Path to Exile
51%inclusion218 decks425 decks
4%synergy
Farseek
51%inclusion216 decks425 decks
15%synergy
Fecund Greenshell
50%inclusion213 decks425 decks
49%synergy
Doran, the Siege Tower
50%inclusion213 decks425 decks
49%synergy
Birds of Paradise
50%inclusion213 decks425 decks
22%synergy
Tower Defense
48%inclusion203 decks425 decks
47%synergy
Game Changers
Teferi's Protection
29%inclusion124 decks425 decks
12%synergy
Demonic Tutor
22%inclusion92 decks425 decks
2%synergy
Smothering Tithe
18%inclusion77 decks425 decks
-4%synergy
Vampiric Tutor
16%inclusion66 decks425 decks
0%synergy
Worldly Tutor
14%inclusion60 decks425 decks
2%synergy
Seedborn Muse
11%inclusion48 decks425 decks
3%synergy
The One Ring
8.9%inclusion38 decks425 decks
0%synergy
Ancient Tomb
8.9%inclusion38 decks425 decks
-1%synergy
Aura Shards
7.5%inclusion32 decks425 decks
0%synergy
Gaea's Cradle
6.4%inclusion27 decks425 decks
0%synergy
Creatures
Balefire Dragon
60%inclusion3 decks5 decks
57%synergy
Crystal Barricade
47%inclusion199 decks425 decks
45%synergy
Wall of Omens
46%inclusion195 decks425 decks
43%synergy
Wall of Blossoms
45%inclusion193 decks425 decks
44%synergy
Canopy Gargantuan
45%inclusion186 decks411 decks
44%synergy
Zopandrel, Hunger Dominus
45%inclusion190 decks425 decks
42%synergy
Indomitable Ancients
44%inclusion189 decks425 decks
44%synergy
Baldin, Century Herdmaster
44%inclusion187 decks425 decks
43%synergy
Overgrown Battlement
40%inclusion171 decks425 decks
39%synergy
Towering Titan
37%inclusion157 decks425 decks
36%synergy
Faeburrow Elder
36%inclusion152 decks425 decks
25%synergy
Ikra Shidiqi, the Usurper
34%inclusion144 decks425 decks
33%synergy
Beast Whisperer
33%inclusion142 decks425 decks
23%synergy
Dragonlord Dromoka
32%inclusion137 decks425 decks
28%synergy
Unhallowed Phalanx
32%inclusion135 decks425 decks
32%synergy
Ancient Adamantoise
28%inclusion74 decks266 decks
27%synergy
Ancient Lumberknot
26%inclusion112 decks425 decks
26%synergy
Axebane Guardian
26%inclusion112 decks425 decks
25%synergy
Crashing Drawbridge
26%inclusion112 decks425 decks
25%synergy
Ohran Frostfang
26%inclusion111 decks425 decks
20%synergy
Weathered Sentinels
26%inclusion110 decks425 decks
25%synergy
Trostani, Selesnya's Voice
25%inclusion106 decks425 decks
23%synergy
Rampart Architect
24%inclusion100 decks411 decks
23%synergy
Llanowar Elves
24%inclusion103 decks425 decks
4%synergy
Fanatic of Rhonas
24%inclusion101 decks425 decks
18%synergy
Sapling of Colfenor
24%inclusion100 decks425 decks
23%synergy
Avacyn's Pilgrim
23%inclusion99 decks425 decks
11%synergy
Abzan Beastmaster
22%inclusion92 decks425 decks
21%synergy
Runic Armasaur
22%inclusion92 decks425 decks
20%synergy
Delighted Halfling
21%inclusion90 decks425 decks
9%synergy
Colfenor, the Last Yew
18%inclusion77 decks425 decks
17%synergy
Arboreal Grazer
18%inclusion77 decks425 decks
17%synergy
Welcoming Vampire
18%inclusion76 decks425 decks
12%synergy
Bloom Tender
18%inclusion76 decks425 decks
10%synergy
Elves of Deep Shadow
18%inclusion76 decks425 decks
9%synergy
Shalai, Voice of Plenty
17%inclusion74 decks425 decks
11%synergy
Elvish Mystic
17%inclusion72 decks425 decks
1%synergy
Nyx-Fleece Ram
16%inclusion69 decks425 decks
16%synergy
Catapult Fodder
16%inclusion68 decks425 decks
16%synergy
Astarion, the Decadent
16%inclusion68 decks425 decks
14%synergy
Vine Trellis
16%inclusion66 decks425 decks
15%synergy
Flumph
16%inclusion66 decks425 decks
14%synergy
Nethroi, Apex of Death
16%inclusion66 decks425 decks
13%synergy
Wall of Shards
15%inclusion65 decks425 decks
15%synergy
Esper Sentinel
15%inclusion62 decks425 decks
-5%synergy
Wall of Roots
14%inclusion59 decks425 decks
13%synergy
Selvala, Heart of the Wilds
13%inclusion56 decks425 decks
8%synergy
Voice of Victory
13%inclusion56 decks425 decks
7%synergy
Essence of Antiquity
12%inclusion53 decks425 decks
12%synergy
Carven Caryatid
12%inclusion52 decks425 decks
12%synergy
Instants
Beast Within
31%inclusion133 decks425 decks
-3%synergy
Dawn's Truce
26%inclusion110 decks425 decks
19%synergy
Despark
25%inclusion108 decks425 decks
12%synergy
Flawless Maneuver
24%inclusion104 decks425 decks
14%synergy
Generous Gift
21%inclusion90 decks425 decks
-2%synergy
Clever Concealment
19%inclusion81 decks425 decks
15%synergy
Akroma's Will
16%inclusion69 decks425 decks
6%synergy
Deadly Rollick
16%inclusion66 decks425 decks
2%synergy
Eladamri's Call
15%inclusion63 decks425 decks
6%synergy
Stroke of Midnight
12%inclusion52 decks425 decks
2%synergy
Chord of Calling
12%inclusion50 decks425 decks
6%synergy
Tear Asunder
11%inclusion45 decks425 decks
3%synergy
Return of the Wildspeaker
10%inclusion43 decks425 decks
-1%synergy
Enlightened Tutor
10%inclusion43 decks425 decks
-5%synergy
Fell the Profane
9.2%inclusion39 decks425 decks
0%synergy
Abzan Charm
8.9%inclusion38 decks425 decks
5%synergy
Putrefy
8.9%inclusion38 decks425 decks
-7%synergy
Overkill
8.7%inclusion23 decks264 decks
6%synergy
Infernal Grasp
8.5%inclusion36 decks425 decks
1%synergy
Mortify
8.5%inclusion36 decks425 decks
-3%synergy
Revitalizing Repast
8.2%inclusion35 decks425 decks
0%synergy
Malakir Rebirth
7.5%inclusion32 decks425 decks
-1%synergy
Dark Ritual
7.5%inclusion32 decks425 decks
-17%synergy
Mythos of Nethroi
6.4%inclusion27 decks425 decks
5%synergy
Bar the Door
6.1%inclusion26 decks425 decks
6%synergy
Inspiring Call
6.1%inclusion26 decks425 decks
-2%synergy
Abrupt Decay
5.6%inclusion24 decks425 decks
-4%synergy
Rite of Harmony
5.2%inclusion22 decks425 decks
3%synergy
Nature's Claim
5.2%inclusion22 decks425 decks
-2%synergy
Sorceries
Nature's Lore
48%inclusion202 decks425 decks
16%synergy
Cultivate
46%inclusion195 decks425 decks
3%synergy
Three Visits
43%inclusion182 decks425 decks
18%synergy
Toxic Deluge
39%inclusion165 decks425 decks
20%synergy
Kodama's Reach
33%inclusion142 decks425 decks
6%synergy
Eerie Ultimatum
30%inclusion128 decks425 decks
19%synergy
Rampant Growth
30%inclusion128 decks425 decks
-3%synergy
Wave of Reckoning
22%inclusion95 decks425 decks
22%synergy
Slaughter the Strong
20%inclusion87 decks425 decks
19%synergy
Reunion of the House
19%inclusion80 decks411 decks
19%synergy
Expel the Interlopers
18%inclusion76 decks425 decks
17%synergy
Finale of Devastation
14%inclusion60 decks425 decks
7%synergy
Skyshroud Claim
14%inclusion58 decks425 decks
5%synergy
Will of the Abzan
13%inclusion55 decks411 decks
12%synergy
Damn
13%inclusion56 decks425 decks
-2%synergy
Fell the Mighty
13%inclusion55 decks425 decks
11%synergy
Dusk // Dawn
12%inclusion53 decks425 decks
9%synergy
Reanimate
12%inclusion51 decks425 decks
-7%synergy
Farewell
12%inclusion50 decks425 decks
-1%synergy
Tip the Scales
10%inclusion41 decks412 decks
9%synergy
Bala Ged Recovery
10%inclusion42 decks425 decks
2%synergy
Feed the Swarm
8.5%inclusion36 decks425 decks
-8%synergy
Shamanic Revelation
8.0%inclusion34 decks425 decks
1%synergy
Perennation
7.5%inclusion32 decks425 decks
6%synergy
Ezuri's Predation
7.5%inclusion32 decks425 decks
5%synergy
Night's Whisper
7.5%inclusion32 decks425 decks
-2%synergy
Austere Command
7.3%inclusion31 decks425 decks
-5%synergy
Rishkar's Expertise
6.8%inclusion29 decks425 decks
-3%synergy
Pact of the Serpent
6.4%inclusion27 decks425 decks
5%synergy
Kin-Tree Invocation
5.6%inclusion24 decks425 decks
6%synergy
Nature's Rhythm
5.3%inclusion22 decks412 decks
1%synergy
Utility Artifacts
Lightning Greaves
33%inclusion140 decks425 decks
8%synergy
Swiftfoot Boots
27%inclusion113 decks425 decks
-1%synergy
Rammas Echor, Ancient Shield
21%inclusion88 decks425 decks
20%synergy
Meekstone
16%inclusion68 decks425 decks
15%synergy
The Great Henge
16%inclusion66 decks425 decks
6%synergy
Colfenor's Urn
10%inclusion43 decks425 decks
10%synergy
Strionic Resonator
10%inclusion41 decks425 decks
7%synergy
Thousand-Year Elixir
7.3%inclusion31 decks425 decks
6%synergy
Slagwurm Armor
7.1%inclusion30 decks425 decks
7%synergy
Vanquisher's Banner
6.1%inclusion26 decks425 decks
3%synergy
Enchantments
Call the Spirit Dragons
75%inclusion3 decks4 decks
68%synergy
Dracogenesis
60%inclusion3 decks5 decks
58%synergy
Unnatural Growth
47%inclusion201 decks425 decks
41%synergy
Guardian Project
45%inclusion191 decks425 decks
37%synergy
Jaws of Defeat
39%inclusion161 decks411 decks
38%synergy
Stoneskin
30%inclusion127 decks425 decks
29%synergy
Black Market Connections
21%inclusion91 decks425 decks
9%synergy
Phyrexian Arena
21%inclusion91 decks425 decks
6%synergy
Warlock Class
17%inclusion73 decks425 decks
17%synergy
Smile at Death
16%inclusion66 decks425 decks
14%synergy
Behind the Scenes
15%inclusion62 decks425 decks
13%synergy
Defense of the Heart
12%inclusion49 decks425 decks
9%synergy
Brave the Sands
11%inclusion48 decks425 decks
9%synergy
Trouble in Pairs
11%inclusion48 decks425 decks
7%synergy
Sylvan Library
11%inclusion48 decks425 decks
2%synergy
Spidersilk Armor
9.2%inclusion39 decks425 decks
9%synergy
Barrensteppe Siege
9.2%inclusion39 decks425 decks
7%synergy
Exquisite Blood
8.7%inclusion37 decks425 decks
4%synergy
Mirari's Wake
8.2%inclusion35 decks425 decks
-2%synergy
Angelic Chorus
7.1%inclusion30 decks425 decks
7%synergy
Ghostly Prison
6.8%inclusion29 decks425 decks
-5%synergy
Branching Evolution
6.1%inclusion26 decks425 decks
0%synergy
Tribute to the World Tree
5.9%inclusion25 decks425 decks
0%synergy
Colossification
5.6%inclusion24 decks425 decks
5%synergy
Cryptolith Rite
5.6%inclusion24 decks425 decks
2%synergy
Hardened Scales
5.6%inclusion24 decks425 decks
-4%synergy
Planeswalkers
Huatli, the Sun's Heart
24%inclusion100 decks425 decks
23%synergy
Tyvar, Jubilant Brawler
8.0%inclusion34 decks425 decks
5%synergy
Utility Lands
Bojuka Bog
39%inclusion166 decks425 decks
9%synergy
Yavimaya, Cradle of Growth
35%inclusion147 decks425 decks
26%synergy
Boseiju, Who Endures
28%inclusion119 decks425 decks
9%synergy
Reliquary Tower
27%inclusion116 decks425 decks
-3%synergy
Urborg, Tomb of Yawgmoth
21%inclusion91 decks425 decks
12%synergy
Access Tunnel
15%inclusion62 decks425 decks
12%synergy
Vault of the Archangel
11%inclusion46 decks425 decks
-1%synergy
Shifting Woodland
11%inclusion45 decks425 decks
4%synergy
Gavony Township
10%inclusion44 decks425 decks
2%synergy
Forbidding Watchtower
9.4%inclusion40 decks425 decks
9%synergy
Rogue's Passage
9.4%inclusion40 decks425 decks
-11%synergy
Nykthos, Shrine to Nyx
7.8%inclusion33 decks425 decks
2%synergy
Takenuma, Abandoned Mire
7.5%inclusion32 decks425 decks
-1%synergy
Three Tree City
7.1%inclusion30 decks425 decks
2%synergy
Temple of the False God
6.4%inclusion27 decks425 decks
-3%synergy
Evendo, Waking Haven
5.9%inclusion12 decks205 decks
1%synergy
Mana Artifacts
Sol Ring
90%inclusion382 decks425 decks
6%synergy
Arcane Signet
72%inclusion305 decks425 decks
-1%synergy
Selesnya Signet
11%inclusion46 decks425 decks
3%synergy
Fellwar Stone
10%inclusion44 decks425 decks
-10%synergy
Orzhov Signet
10%inclusion44 decks425 decks
-14%synergy
Talisman of Unity
10%inclusion43 decks425 decks
3%synergy
Talisman of Resilience
10%inclusion43 decks425 decks
-3%synergy
Talisman of Hierarchy
9.4%inclusion40 decks425 decks
-17%synergy
Chromatic Lantern
7.5%inclusion32 decks425 decks
-1%synergy
Golgari Signet
7.1%inclusion30 decks425 decks
-3%synergy
Lands
Command Tower
94%inclusion398 decks425 decks
19%synergy
Overgrown Tomb
68%inclusion290 decks425 decks
28%synergy
Temple Garden
67%inclusion283 decks425 decks
28%synergy
Godless Shrine
66%inclusion281 decks425 decks
25%synergy
Indatha Triome
60%inclusion256 decks425 decks
32%synergy
Sacred Foundry
60%inclusion3 decks5 decks
23%synergy
Woodland Cemetery
54%inclusion230 decks425 decks
23%synergy
Sunpetal Grove
54%inclusion229 decks425 decks
26%synergy
Isolated Chapel
53%inclusion227 decks425 decks
20%synergy
Exotic Orchard
53%inclusion225 decks425 decks
17%synergy
Undergrowth Stadium
51%inclusion218 decks425 decks
28%synergy
Bountiful Promenade
51%inclusion215 decks425 decks
28%synergy
Marsh Flats
50%inclusion213 decks425 decks
39%synergy
Overgrown Farmland
50%inclusion213 decks425 decks
33%synergy
Vault of Champions
49%inclusion210 decks425 decks
25%synergy
Verdant Catacombs
49%inclusion207 decks425 decks
38%synergy
Windswept Heath
49%inclusion207 decks425 decks
38%synergy
Sandsteppe Citadel
46%inclusion195 decks425 decks
20%synergy
Canopy Vista
34%inclusion143 decks425 decks
-3%synergy
Hushwood Verge
33%inclusion139 decks425 decks
23%synergy
Wastewood Verge
31%inclusion132 decks425 decks
24%synergy
Deathcap Glade
31%inclusion131 decks425 decks
18%synergy
Brushland
28%inclusion120 decks425 decks
9%synergy
Caves of Koilos
27%inclusion114 decks425 decks
-3%synergy
Llanowar Wastes
26%inclusion111 decks425 decks
-1%synergy
Lush Portico
25%inclusion107 decks425 decks
16%synergy
Bleachbone Verge
24%inclusion103 decks425 decks
16%synergy
Underground Mortuary
24%inclusion102 decks425 decks
11%synergy
Shattered Sanctum
24%inclusion102 decks425 decks
9%synergy
Twilight Mire
22%inclusion95 decks425 decks
9%synergy
Fortified Village
20%inclusion84 decks425 decks
4%synergy
Bayou
19%inclusion81 decks425 decks
6%synergy
Savannah
19%inclusion79 decks425 decks
6%synergy
Scrubland
19%inclusion79 decks425 decks
5%synergy
Deceptive Landscape
18%inclusion77 decks425 decks
10%synergy
Shadowy Backstreet
17%inclusion72 decks425 decks
7%synergy
Murmuring Bosk
16%inclusion69 decks425 decks
10%synergy
Sungrass Prairie
14%inclusion60 decks425 decks
1%synergy
Evolving Wilds
14%inclusion60 decks425 decks
-7%synergy
Flooded Strand
13%inclusion55 decks425 decks
2%synergy
Path of Ancestry
13%inclusion54 decks425 decks
-9%synergy
Misty Rainforest
12%inclusion49 decks425 decks
0%synergy
Wooded Foothills
11%inclusion48 decks425 decks
1%synergy
Polluted Delta
11%inclusion47 decks425 decks
-1%synergy
Bloodstained Mire
11%inclusion45 decks425 decks
-1%synergy
Fabled Passage
10%inclusion44 decks425 decks
1%synergy
Temple of Malady
9.4%inclusion40 decks425 decks
-7%synergy
City of Brass
9.2%inclusion39 decks425 decks
2%synergy
Temple of Plenty
8.9%inclusion38 decks425 decks
-4%synergy
Arid Mesa
8.7%inclusion37 decks425 decks
-2%synergy