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%inclusion396 decks6.61K decks
Betor, Ancestor's Voice
0.0%inclusion4 decks10.3K decks
Felothar the Steadfast
0.0%inclusion2 decks12.3K decks
The Ur-Dragon
0.0%inclusion2 decks25.6K decks
Ikra Shidiqi, the Usurper // Tymna the Weaver
0.5%inclusion2 decks395 decks
Morophon, the Boundless
0.0%inclusion1 decks6.83K decks
Tayam, Luminous Enigma
0.0%inclusion1 decks3.88K decks
Esika, God of the Tree
0.0%inclusion1 decks10.8K decks
Felothar, Dawn of the Abzan
0.0%inclusion1 decks4.35K decks
Frodo, Adventurous Hobbit // Sam, Loyal Attendant
0.0%inclusion1 decks11.4K decks
Saskia the Unyielding
0.0%inclusion1 decks3.85K decks
New Cards
The Walls of Ba Sing Se
68%inclusion71 decks104 decks
67%synergy
Bitter Work
50%inclusion1 decks2 decks
45%synergy
Badgermole Cub
7.1%inclusion8 decks112 decks
2%synergy
Abandoned Air Temple
4.8%inclusion5 decks104 decks
0%synergy
Shared Roots
2.9%inclusion3 decks104 decks
-3%synergy
High Synergy Cards
Bloodletter of Aclazotz
85%inclusion350 decks412 decks
81%synergy
Tree of Perdition
73%inclusion299 decks412 decks
71%synergy
Wound Reflection
70%inclusion290 decks412 decks
69%synergy
Tree of Redemption
64%inclusion265 decks412 decks
63%synergy
Arbor Adherent
62%inclusion247 decks398 decks
61%synergy
Bedrock Tortoise
58%inclusion239 decks412 decks
57%synergy
Felothar the Steadfast
58%inclusion237 decks412 decks
56%synergy
Sylvan Caryatid
54%inclusion224 decks412 decks
53%synergy
Last March of the Ents
56%inclusion231 decks412 decks
53%synergy
Fecund Greenshell
50%inclusion208 decks412 decks
49%synergy
Top Cards
Swords to Plowshares
77%inclusion317 decks412 decks
15%synergy
Heroic Intervention
60%inclusion248 decks412 decks
30%synergy
Assassin's Trophy
54%inclusion223 decks412 decks
24%synergy
Anguished Unmaking
53%inclusion217 decks412 decks
28%synergy
Farseek
51%inclusion211 decks412 decks
16%synergy
Path to Exile
51%inclusion210 decks412 decks
4%synergy
Assault Formation
50%inclusion208 decks412 decks
49%synergy
Birds of Paradise
50%inclusion207 decks412 decks
23%synergy
Doran, the Siege Tower
50%inclusion206 decks412 decks
48%synergy
Tower Defense
48%inclusion198 decks412 decks
47%synergy
Game Changers
Teferi's Protection
29%inclusion120 decks412 decks
12%synergy
Demonic Tutor
22%inclusion89 decks412 decks
2%synergy
Smothering Tithe
18%inclusion76 decks412 decks
-3%synergy
Vampiric Tutor
16%inclusion64 decks412 decks
0%synergy
Worldly Tutor
14%inclusion57 decks412 decks
2%synergy
Seedborn Muse
12%inclusion48 decks412 decks
4%synergy
Ancient Tomb
9.0%inclusion37 decks412 decks
-1%synergy
The One Ring
8.7%inclusion36 decks412 decks
0%synergy
Aura Shards
7.5%inclusion31 decks412 decks
0%synergy
Gaea's Cradle
6.6%inclusion27 decks412 decks
1%synergy
Creatures
Balefire Dragon
60%inclusion3 decks5 decks
57%synergy
Crystal Barricade
47%inclusion193 decks412 decks
45%synergy
Wall of Omens
47%inclusion192 decks412 decks
44%synergy
Wall of Blossoms
46%inclusion190 decks412 decks
45%synergy
Canopy Gargantuan
46%inclusion183 decks398 decks
45%synergy
Zopandrel, Hunger Dominus
45%inclusion186 decks412 decks
42%synergy
Indomitable Ancients
45%inclusion184 decks412 decks
44%synergy
Baldin, Century Herdmaster
44%inclusion182 decks412 decks
43%synergy
Overgrown Battlement
40%inclusion165 decks412 decks
39%synergy
Towering Titan
37%inclusion152 decks412 decks
36%synergy
Faeburrow Elder
37%inclusion151 decks412 decks
25%synergy
Ikra Shidiqi, the Usurper
34%inclusion139 decks412 decks
32%synergy
Beast Whisperer
33%inclusion137 decks412 decks
23%synergy
Unhallowed Phalanx
32%inclusion132 decks412 decks
32%synergy
Dragonlord Dromoka
32%inclusion132 decks412 decks
28%synergy
Ancient Adamantoise
29%inclusion72 decks252 decks
28%synergy
Ancient Lumberknot
27%inclusion110 decks412 decks
26%synergy
Ohran Frostfang
27%inclusion110 decks412 decks
21%synergy
Axebane Guardian
26%inclusion109 decks412 decks
25%synergy
Crashing Drawbridge
26%inclusion108 decks412 decks
25%synergy
Weathered Sentinels
26%inclusion106 decks412 decks
25%synergy
Trostani, Selesnya's Voice
25%inclusion103 decks412 decks
23%synergy
Rampart Architect
24%inclusion97 decks398 decks
24%synergy
Llanowar Elves
24%inclusion99 decks412 decks
4%synergy
Sapling of Colfenor
24%inclusion97 decks412 decks
23%synergy
Fanatic of Rhonas
24%inclusion97 decks412 decks
17%synergy
Avacyn's Pilgrim
23%inclusion95 decks412 decks
11%synergy
Runic Armasaur
22%inclusion91 decks412 decks
20%synergy
Abzan Beastmaster
22%inclusion90 decks412 decks
21%synergy
Delighted Halfling
21%inclusion86 decks412 decks
9%synergy
Welcoming Vampire
18%inclusion76 decks412 decks
12%synergy
Colfenor, the Last Yew
18%inclusion74 decks412 decks
17%synergy
Arboreal Grazer
18%inclusion74 decks412 decks
17%synergy
Bloom Tender
18%inclusion74 decks412 decks
10%synergy
Elves of Deep Shadow
18%inclusion74 decks412 decks
9%synergy
Shalai, Voice of Plenty
17%inclusion72 decks412 decks
11%synergy
Elvish Mystic
17%inclusion70 decks412 decks
1%synergy
Nyx-Fleece Ram
17%inclusion68 decks412 decks
16%synergy
Nethroi, Apex of Death
16%inclusion66 decks412 decks
14%synergy
Catapult Fodder
16%inclusion65 decks412 decks
16%synergy
Vine Trellis
16%inclusion65 decks412 decks
15%synergy
Astarion, the Decadent
16%inclusion65 decks412 decks
14%synergy
Wall of Shards
16%inclusion64 decks412 decks
15%synergy
Flumph
16%inclusion64 decks412 decks
14%synergy
Esper Sentinel
15%inclusion60 decks412 decks
-5%synergy
Wall of Roots
14%inclusion59 decks412 decks
13%synergy
Selvala, Heart of the Wilds
13%inclusion55 decks412 decks
8%synergy
Voice of Victory
13%inclusion53 decks412 decks
6%synergy
Essence of Antiquity
13%inclusion52 decks412 decks
12%synergy
Carven Caryatid
13%inclusion52 decks412 decks
12%synergy
Instants
Beast Within
32%inclusion131 decks412 decks
-3%synergy
Dawn's Truce
26%inclusion107 decks412 decks
19%synergy
Despark
26%inclusion107 decks412 decks
12%synergy
Flawless Maneuver
25%inclusion102 decks412 decks
14%synergy
Generous Gift
22%inclusion90 decks412 decks
-1%synergy
Clever Concealment
19%inclusion80 decks412 decks
15%synergy
Akroma's Will
16%inclusion67 decks412 decks
6%synergy
Deadly Rollick
16%inclusion64 decks412 decks
2%synergy
Eladamri's Call
15%inclusion62 decks412 decks
6%synergy
Stroke of Midnight
12%inclusion51 decks412 decks
2%synergy
Chord of Calling
12%inclusion49 decks412 decks
7%synergy
Tear Asunder
11%inclusion44 decks412 decks
3%synergy
Return of the Wildspeaker
10%inclusion42 decks412 decks
-1%synergy
Enlightened Tutor
10%inclusion42 decks412 decks
-5%synergy
Fell the Profane
9.5%inclusion39 decks412 decks
1%synergy
Overkill
9.2%inclusion23 decks250 decks
7%synergy
Abzan Charm
9.0%inclusion37 decks412 decks
5%synergy
Infernal Grasp
8.5%inclusion35 decks412 decks
1%synergy
Mortify
8.5%inclusion35 decks412 decks
-2%synergy
Putrefy
8.5%inclusion35 decks412 decks
-7%synergy
Revitalizing Repast
8.3%inclusion34 decks412 decks
0%synergy
Malakir Rebirth
7.8%inclusion32 decks412 decks
0%synergy
Dark Ritual
7.5%inclusion31 decks412 decks
-17%synergy
Mythos of Nethroi
6.6%inclusion27 decks412 decks
5%synergy
Inspiring Call
6.1%inclusion25 decks412 decks
-2%synergy
Bar the Door
5.8%inclusion24 decks412 decks
5%synergy
Abrupt Decay
5.6%inclusion23 decks412 decks
-4%synergy
Rite of Harmony
5.1%inclusion21 decks412 decks
3%synergy
Flare of Fortitude
5.1%inclusion21 decks412 decks
1%synergy
Nature's Claim
5.1%inclusion21 decks412 decks
-2%synergy
Sorceries
Nature's Lore
48%inclusion198 decks412 decks
17%synergy
Cultivate
45%inclusion187 decks412 decks
2%synergy
Three Visits
43%inclusion178 decks412 decks
19%synergy
Toxic Deluge
40%inclusion163 decks412 decks
21%synergy
Kodama's Reach
33%inclusion137 decks412 decks
6%synergy
Eerie Ultimatum
31%inclusion126 decks412 decks
19%synergy
Rampant Growth
30%inclusion123 decks412 decks
-4%synergy
Wave of Reckoning
23%inclusion93 decks412 decks
22%synergy
Slaughter the Strong
20%inclusion83 decks412 decks
19%synergy
Reunion of the House
20%inclusion78 decks398 decks
19%synergy
Expel the Interlopers
18%inclusion74 decks412 decks
17%synergy
Finale of Devastation
14%inclusion58 decks412 decks
7%synergy
Skyshroud Claim
14%inclusion57 decks412 decks
6%synergy
Damn
14%inclusion56 decks412 decks
-2%synergy
Will of the Abzan
14%inclusion54 decks398 decks
12%synergy
Fell the Mighty
13%inclusion52 decks412 decks
10%synergy
Dusk // Dawn
12%inclusion50 decks412 decks
9%synergy
Reanimate
12%inclusion50 decks412 decks
-7%synergy
Farewell
11%inclusion47 decks412 decks
-1%synergy
Tip the Scales
10%inclusion40 decks399 decks
10%synergy
Bala Ged Recovery
10%inclusion41 decks412 decks
2%synergy
Feed the Swarm
8.3%inclusion34 decks412 decks
-8%synergy
Shamanic Revelation
8.0%inclusion33 decks412 decks
1%synergy
Perennation
7.8%inclusion32 decks412 decks
6%synergy
Ezuri's Predation
7.5%inclusion31 decks412 decks
5%synergy
Night's Whisper
7.5%inclusion31 decks412 decks
-2%synergy
Austere Command
7.3%inclusion30 decks412 decks
-5%synergy
Rishkar's Expertise
6.8%inclusion28 decks412 decks
-3%synergy
Pact of the Serpent
6.3%inclusion26 decks412 decks
5%synergy
Kin-Tree Invocation
5.8%inclusion24 decks412 decks
6%synergy
Nature's Rhythm
5.3%inclusion21 decks399 decks
1%synergy
Utility Artifacts
Lightning Greaves
33%inclusion137 decks412 decks
8%synergy
Swiftfoot Boots
27%inclusion110 decks412 decks
-1%synergy
Rammas Echor, Ancient Shield
21%inclusion86 decks412 decks
20%synergy
Meekstone
16%inclusion67 decks412 decks
16%synergy
The Great Henge
16%inclusion64 decks412 decks
6%synergy
Colfenor's Urn
10%inclusion41 decks412 decks
10%synergy
Strionic Resonator
9.5%inclusion39 decks412 decks
7%synergy
Thousand-Year Elixir
7.3%inclusion30 decks412 decks
6%synergy
Slagwurm Armor
7.0%inclusion29 decks412 decks
7%synergy
Vanquisher's Banner
6.6%inclusion27 decks412 decks
3%synergy
Ozolith, the Shattered Spire
5.1%inclusion21 decks412 decks
1%synergy
Enchantments
Call the Spirit Dragons
75%inclusion3 decks4 decks
68%synergy
Dracogenesis
60%inclusion3 decks5 decks
58%synergy
Unnatural Growth
48%inclusion197 decks412 decks
42%synergy
Guardian Project
46%inclusion188 decks412 decks
38%synergy
Jaws of Defeat
39%inclusion157 decks398 decks
39%synergy
Stoneskin
30%inclusion123 decks412 decks
29%synergy
Black Market Connections
21%inclusion88 decks412 decks
9%synergy
Phyrexian Arena
21%inclusion87 decks412 decks
5%synergy
Warlock Class
17%inclusion70 decks412 decks
17%synergy
Smile at Death
16%inclusion66 decks412 decks
15%synergy
Behind the Scenes
15%inclusion60 decks412 decks
13%synergy
Defense of the Heart
12%inclusion48 decks412 decks
9%synergy
Trouble in Pairs
12%inclusion48 decks412 decks
7%synergy
Sylvan Library
11%inclusion47 decks412 decks
2%synergy
Brave the Sands
11%inclusion46 decks412 decks
9%synergy
Spidersilk Armor
9.2%inclusion38 decks412 decks
9%synergy
Barrensteppe Siege
9.0%inclusion37 decks412 decks
7%synergy
Exquisite Blood
8.3%inclusion34 decks412 decks
3%synergy
Mirari's Wake
7.8%inclusion32 decks412 decks
-3%synergy
Angelic Chorus
6.8%inclusion28 decks412 decks
6%synergy
Ghostly Prison
6.8%inclusion28 decks412 decks
-5%synergy
Branching Evolution
6.3%inclusion26 decks412 decks
0%synergy
Tribute to the World Tree
5.8%inclusion24 decks412 decks
0%synergy
Hardened Scales
5.8%inclusion24 decks412 decks
-4%synergy
Cryptolith Rite
5.6%inclusion23 decks412 decks
2%synergy
Colossification
5.3%inclusion22 decks412 decks
4%synergy
Hollowmurk Siege
5.2%inclusion21 decks407 decks
2%synergy
Planeswalkers
Huatli, the Sun's Heart
24%inclusion97 decks412 decks
23%synergy
Tyvar, Jubilant Brawler
8.0%inclusion33 decks412 decks
5%synergy
Utility Lands
Bojuka Bog
39%inclusion162 decks412 decks
10%synergy
Yavimaya, Cradle of Growth
35%inclusion143 decks412 decks
26%synergy
Boseiju, Who Endures
28%inclusion117 decks412 decks
10%synergy
Reliquary Tower
27%inclusion112 decks412 decks
-3%synergy
Urborg, Tomb of Yawgmoth
22%inclusion89 decks412 decks
13%synergy
Access Tunnel
15%inclusion60 decks412 decks
12%synergy
Shifting Woodland
11%inclusion44 decks412 decks
4%synergy
Vault of the Archangel
10%inclusion43 decks412 decks
-2%synergy
Gavony Township
10%inclusion42 decks412 decks
2%synergy
Forbidding Watchtower
9.5%inclusion39 decks412 decks
9%synergy
Rogue's Passage
8.7%inclusion36 decks412 decks
-12%synergy
Takenuma, Abandoned Mire
7.8%inclusion32 decks412 decks
-1%synergy
Nykthos, Shrine to Nyx
7.5%inclusion31 decks412 decks
2%synergy
Three Tree City
7.3%inclusion30 decks412 decks
2%synergy
Temple of the False God
6.3%inclusion26 decks412 decks
-3%synergy
Evendo, Waking Haven
6.3%inclusion12 decks191 decks
2%synergy
Mana Artifacts
Sol Ring
89%inclusion368 decks412 decks
6%synergy
Arcane Signet
71%inclusion293 decks412 decks
-1%synergy
Selesnya Signet
11%inclusion46 decks412 decks
4%synergy
Fellwar Stone
11%inclusion44 decks412 decks
-10%synergy
Orzhov Signet
10%inclusion43 decks412 decks
-14%synergy
Talisman of Unity
10%inclusion40 decks412 decks
2%synergy
Talisman of Resilience
10%inclusion40 decks412 decks
-3%synergy
Talisman of Hierarchy
9.0%inclusion37 decks412 decks
-17%synergy
Chromatic Lantern
7.5%inclusion31 decks412 decks
-1%synergy
Golgari Signet
7.3%inclusion30 decks412 decks
-3%synergy
Lands
Command Tower
93%inclusion385 decks412 decks
19%synergy
Overgrown Tomb
68%inclusion281 decks412 decks
28%synergy
Temple Garden
67%inclusion275 decks412 decks
28%synergy
Godless Shrine
67%inclusion274 decks412 decks
26%synergy
Indatha Triome
60%inclusion249 decks412 decks
32%synergy
Sacred Foundry
60%inclusion3 decks5 decks
24%synergy
Woodland Cemetery
54%inclusion223 decks412 decks
23%synergy
Sunpetal Grove
54%inclusion222 decks412 decks
26%synergy
Isolated Chapel
53%inclusion219 decks412 decks
20%synergy
Exotic Orchard
53%inclusion217 decks412 decks
16%synergy
Undergrowth Stadium
52%inclusion214 decks412 decks
28%synergy
Bountiful Promenade
51%inclusion211 decks412 decks
29%synergy
Marsh Flats
50%inclusion208 decks412 decks
40%synergy
Vault of Champions
50%inclusion206 decks412 decks
26%synergy
Overgrown Farmland
50%inclusion205 decks412 decks
32%synergy
Verdant Catacombs
49%inclusion203 decks412 decks
38%synergy
Windswept Heath
49%inclusion201 decks412 decks
38%synergy
Sandsteppe Citadel
46%inclusion188 decks412 decks
20%synergy
Canopy Vista
34%inclusion139 decks412 decks
-3%synergy
Hushwood Verge
33%inclusion136 decks412 decks
24%synergy
Wastewood Verge
31%inclusion129 decks412 decks
24%synergy
Deathcap Glade
31%inclusion129 decks412 decks
18%synergy
Brushland
28%inclusion117 decks412 decks
9%synergy
Caves of Koilos
27%inclusion111 decks412 decks
-2%synergy
Llanowar Wastes
26%inclusion108 decks412 decks
-1%synergy
Lush Portico
26%inclusion106 decks412 decks
17%synergy
Underground Mortuary
24%inclusion100 decks412 decks
12%synergy
Bleachbone Verge
24%inclusion99 decks412 decks
16%synergy
Shattered Sanctum
24%inclusion99 decks412 decks
9%synergy
Twilight Mire
23%inclusion95 decks412 decks
10%synergy
Fortified Village
20%inclusion84 decks412 decks
4%synergy
Bayou
19%inclusion79 decks412 decks
6%synergy
Savannah
19%inclusion78 decks412 decks
6%synergy
Scrubland
19%inclusion78 decks412 decks
5%synergy
Deceptive Landscape
18%inclusion74 decks412 decks
10%synergy
Shadowy Backstreet
17%inclusion71 decks412 decks
7%synergy
Murmuring Bosk
16%inclusion65 decks412 decks
9%synergy
Sungrass Prairie
14%inclusion59 decks412 decks
1%synergy
Evolving Wilds
14%inclusion57 decks412 decks
-7%synergy
Flooded Strand
13%inclusion55 decks412 decks
2%synergy
Path of Ancestry
13%inclusion53 decks412 decks
-9%synergy
Misty Rainforest
12%inclusion49 decks412 decks
0%synergy
Wooded Foothills
11%inclusion47 decks412 decks
1%synergy
Polluted Delta
11%inclusion47 decks412 decks
-1%synergy
Bloodstained Mire
11%inclusion45 decks412 decks
0%synergy
Fabled Passage
10%inclusion42 decks412 decks
1%synergy
City of Brass
9.5%inclusion39 decks412 decks
2%synergy
Arid Mesa
9.0%inclusion37 decks412 decks
-1%synergy
Temple of Malady
9.0%inclusion37 decks412 decks
-7%synergy
Temple of Plenty
8.7%inclusion36 decks412 decks
-5%synergy