Betor, Kin to All + Archfiend of Despair

Betor, Kin to All

Archfiend of Despair

Requires

Betor, Kin to All must be on the battlefield. Archfiend of Despair must be on the battlefield.

Steps

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

Results

Infinite lifeloss.

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Betor, Kin to All

3.89% of 2084 decks 81 decks

New Cards

Felothar the Steadfast

69% of 81 decks +63% synergy

Arbor Adherent

55% of 66 decks +35% synergy

Canopy Gargantuan

36% of 66 decks +22% synergy

Jaws of Defeat

29% of 66 decks +11% synergy

Rampart Architect

26% of 66 decks +10% synergy

High Synergy Cards

Bloodletter of Aclazotz

88% of 81 decks +86% synergy

Tree of Perdition

86% of 81 decks +82% synergy

Wound Reflection

81% of 81 decks +81% synergy

Tree of Redemption

75% of 81 decks +71% synergy

Bedrock Tortoise

70% of 81 decks +65% synergy

Assault Formation

67% of 81 decks +61% synergy

Last March of the Ents

64% of 81 decks +60% synergy

Doran, the Siege Tower

59% of 81 decks +56% synergy

Wall of Omens

59% of 81 decks +55% synergy

Baldin, Century Herdmaster

58% of 81 decks +55% synergy

Top Cards

Swords to Plowshares

73% of 81 decks +10% synergy

Assassin's Trophy

60% of 81 decks +29% synergy

Guardian Project

59% of 81 decks +53% synergy

Heroic Intervention

59% of 81 decks +33% synergy

Nature's Lore

59% of 81 decks +28% synergy

Sylvan Caryatid

57% of 81 decks +52% synergy

Crystal Barricade

56% of 81 decks +49% synergy

Fecund Greenshell

56% of 81 decks +48% synergy

Path to Exile

56% of 81 decks +8% synergy

Unnatural Growth

54% of 81 decks +51% synergy

Game Changers

Smothering Tithe

22% of 81 decks +7% synergy

Demonic Tutor

22% of 81 decks +6% synergy

Vampiric Tutor

16% of 81 decks +3% synergy

Trouble in Pairs

15% of 81 decks +12% synergy

The One Ring

14% of 81 decks +5% synergy

Enlightened Tutor

12% of 81 decks +1% synergy

Gaea's Cradle

9% of 81 decks +3% synergy

Ancient Tomb

9% of 81 decks +0% synergy

Creatures

Wall of Blossoms

54% of 81 decks +50% synergy

Zopandrel, Hunger Dominus

51% of 81 decks +49% synergy

Indomitable Ancients

48% of 81 decks +43% synergy

Birds of Paradise

47% of 81 decks +11% synergy

Unhallowed Phalanx

42% of 81 decks +40% synergy

Ikra Shidiqi, the Usurper

42% of 81 decks +38% synergy

Overgrown Battlement

40% of 81 decks +36% synergy

Ancient Lumberknot

40% of 81 decks +36% synergy

Sapling of Colfenor

37% of 81 decks +32% synergy

Faeburrow Elder

37% of 81 decks +28% synergy

Abzan Beastmaster

32% of 81 decks +29% synergy

Beast Whisperer

32% of 81 decks +25% synergy

Towering Titan

30% of 81 decks +27% synergy

Trostani, Selesnya's Voice

28% of 81 decks +23% synergy

Runic Armasaur

26% of 81 decks +24% synergy

Colfenor, the Last Yew

26% of 81 decks +22% synergy

Axebane Guardian

25% of 81 decks +22% synergy

Vine Trellis

23% of 81 decks +22% synergy

Fanatic of Rhonas

23% of 81 decks +22% synergy

Nethroi, Apex of Death

23% of 81 decks +19% synergy

Llanowar Elves

23% of 81 decks +10% synergy

Wall of Shards

22% of 81 decks +22% synergy

Weathered Sentinels

22% of 81 decks +20% synergy

Avacyn's Pilgrim

22% of 81 decks +4% synergy

Essence of Antiquity

21% of 81 decks +19% synergy

Dragonlord Dromoka

21% of 81 decks +18% synergy

Ohran Frostfang

21% of 81 decks +16% synergy

Elves of Deep Shadow

21% of 81 decks +8% synergy

Astarion, the Decadent

20% of 81 decks +18% synergy

Nyx-Fleece Ram

20% of 81 decks +17% synergy

Delighted Halfling

20% of 81 decks +3% synergy

Catapult Fodder

17% of 81 decks +16% synergy

Shield Sphere

16% of 81 decks +15% synergy

Ashaya, Soul of the Wild

16% of 81 decks +14% synergy

Bloodthirsty Conqueror

16% of 81 decks +11% synergy

Flumph

15% of 81 decks +14% synergy

Treefolk Harbinger

15% of 81 decks +12% synergy

MacCready, Lamplight Mayor

15% of 81 decks +11% synergy

Enduring Vitality

15% of 81 decks +8% synergy

Elvish Mystic

15% of 81 decks +5% synergy

Selvala, Heart of the Wilds

14% of 81 decks +13% synergy

Gluntch, the Bestower

14% of 81 decks +13% synergy

Bloom Tender

14% of 81 decks +7% synergy

Esper Sentinel

14% of 81 decks -1% synergy

Selvala, Explorer Returned

12% of 81 decks +11% synergy

Welcoming Vampire

12% of 81 decks +7% synergy

Shalai, Voice of Plenty

12% of 81 decks +7% synergy

Fyndhorn Elves

12% of 81 decks +6% synergy

Deathrite Shaman

12% of 81 decks +2% synergy

Tyvar, the Pummeler

11% of 81 decks +11% synergy

Instants

Tower Defense

54% of 81 decks +49% synergy

Anguished Unmaking

49% of 81 decks +16% synergy

Teferi's Protection

40% of 81 decks +24% synergy

Beast Within

33% of 81 decks +7% synergy

Dawn's Truce

27% of 81 decks +22% synergy

Generous Gift

26% of 81 decks +11% synergy

Akroma's Will

21% of 81 decks +16% synergy

Flawless Maneuver

21% of 81 decks +15% synergy

Clever Concealment

16% of 81 decks +13% synergy

Eladamri's Call

16% of 81 decks +7% synergy

Tear Asunder

15% of 81 decks +11% synergy

Despark

15% of 81 decks +4% synergy

Malakir Rebirth

14% of 81 decks +9% synergy

Mythos of Nethroi

14% of 81 decks +6% synergy

Return of the Wildspeaker

12% of 81 decks +10% synergy

Deadly Rollick

12% of 81 decks +6% synergy

Bar the Door

11% of 81 decks +10% synergy

Abzan Charm

11% of 81 decks +2% synergy

Stroke of Midnight

10% of 81 decks +5% synergy

Fell the Profane

10% of 81 decks +3% synergy

Putrefy

10% of 81 decks -0% synergy

Worldly Tutor

10% of 81 decks -1% synergy

Mortify

10% of 81 decks -6% synergy

Chord of Calling

9% of 81 decks +2% synergy

Revitalizing Repast

9% of 81 decks +1% synergy

Fracture

6% of 81 decks +4% synergy

Flare of Fortitude

6% of 81 decks +4% synergy

Rite of Harmony

6% of 81 decks +3% synergy

Nature's Claim

6% of 81 decks +2% synergy

Abrupt Decay

6% of 81 decks -2% synergy

Sorceries

Farseek

51% of 81 decks +6% synergy

Three Visits

49% of 81 decks +27% synergy

Cultivate

48% of 81 decks +4% synergy

Kodama's Reach

42% of 81 decks +17% synergy

Wave of Reckoning

37% of 81 decks +35% synergy

Toxic Deluge

37% of 81 decks +14% synergy

Rampant Growth

36% of 81 decks +9% synergy

Eerie Ultimatum

32% of 81 decks +11% synergy

Fell the Mighty

25% of 81 decks +15% synergy

Dusk // Dawn

21% of 81 decks +9% synergy

Slaughter the Strong

20% of 81 decks +16% synergy

Farewell

19% of 81 decks +11% synergy

Perennation

18% of 79 decks +14% synergy

Bala Ged Recovery

17% of 81 decks +9% synergy

Will of the Abzan

17% of 66 decks +1% synergy

Reunion of the House

15% of 66 decks +0% synergy

Expel the Interlopers

15% of 81 decks +11% synergy

Skyshroud Claim

14% of 81 decks +9% synergy

Finale of Devastation

12% of 81 decks +6% synergy

Tip the Scales

11% of 66 decks -2% synergy

Austere Command

10% of 81 decks +2% synergy

Damn

10% of 81 decks -5% synergy

Kin-Tree Invocation

9% of 81 decks +8% synergy

Rishkar's Expertise

9% of 81 decks +7% synergy

Reanimate

9% of 81 decks -3% synergy

Pact of the Serpent

7% of 81 decks +7% synergy

Ezuri's Predation

7% of 81 decks +7% synergy

Open the Way

7% of 81 decks +6% synergy

Shamanic Revelation

7% of 81 decks +4% synergy

Green Sun's Zenith

7% of 81 decks +1% synergy

Night's Whisper

7% of 81 decks -6% synergy

Turntimber Symbiosis

6% of 81 decks +5% synergy

Bridgeworks Battle

6% of 81 decks +4% synergy

Painful Truths

6% of 81 decks +0% synergy

Harmonize

6% of 81 decks -3% synergy

Utility Artifacts

Lightning Greaves

35% of 81 decks +19% synergy

Rammas Echor, Ancient Shield

26% of 81 decks +24% synergy

Meekstone

26% of 81 decks +24% synergy

The Great Henge

17% of 81 decks +11% synergy

Swiftfoot Boots

17% of 81 decks +1% synergy

Colfenor's Urn

12% of 81 decks +10% synergy

Slagwurm Armor

11% of 81 decks +9% synergy

Strionic Resonator

10% of 81 decks +9% synergy

Abzan Monument

10% of 81 decks +7% synergy

Thousand-Year Elixir

7% of 81 decks +7% synergy

Vanquisher's Banner

6% of 81 decks +5% synergy

Enchantments

Stoneskin

40% of 81 decks +36% synergy

Black Market Connections

32% of 81 decks +24% synergy

Phyrexian Arena

30% of 81 decks +15% synergy

Smile at Death

19% of 81 decks +13% synergy

Warlock Class

17% of 81 decks +17% synergy

Defense of the Heart

16% of 81 decks +14% synergy

Behind the Scenes

16% of 81 decks +10% synergy

Angelic Chorus

15% of 81 decks +14% synergy

Spidersilk Armor

15% of 81 decks +13% synergy

Sylvan Library

15% of 81 decks +1% synergy

Exquisite Blood

14% of 81 decks +8% synergy

Mirari's Wake

11% of 81 decks -1% synergy

Colossification

10% of 81 decks +10% synergy

Barrensteppe Siege

10% of 81 decks +6% synergy

Brave the Sands

9% of 81 decks +5% synergy

Ghostly Prison

9% of 81 decks +0% synergy

Aura Shards

9% of 81 decks -2% synergy

Cryptolith Rite

7% of 81 decks +4% synergy

Sanguine Bond

7% of 81 decks -8% synergy

Treefolk Umbra

6% of 81 decks +5% synergy

Planeswalkers

Huatli, the Sun's Heart

35% of 81 decks +32% synergy

Tyvar, Jubilant Brawler

10% of 81 decks +6% synergy

Teyo, Geometric Tactician

7% of 81 decks +7% synergy

Utility Lands

Yavimaya, Cradle of Growth

43% of 81 decks +17% synergy

Boseiju, Who Endures

33% of 81 decks +12% synergy

Bojuka Bog

33% of 81 decks +3% synergy

Reliquary Tower

30% of 81 decks +14% synergy

Urborg, Tomb of Yawgmoth

26% of 81 decks +6% synergy

Access Tunnel

16% of 81 decks +5% synergy

Forbidding Watchtower

12% of 81 decks +11% synergy

Gavony Township

12% of 81 decks +3% synergy

Vault of the Archangel

11% of 81 decks +3% synergy

Nykthos, Shrine to Nyx

9% of 81 decks +8% synergy

Shifting Woodland

9% of 81 decks -3% synergy

Emergence Zone

6% of 81 decks +5% synergy

Restless Fortress

6% of 81 decks +4% synergy

Three Tree City

6% of 81 decks +4% synergy

Temple of the False God

6% of 81 decks +1% synergy

Takenuma, Abandoned Mire

6% of 81 decks -6% synergy

Mana Artifacts

Sol Ring

93% of 81 decks +13% synergy

Arcane Signet

72% of 81 decks +6% synergy

Talisman of Hierarchy

12% of 81 decks +6% synergy

Talisman of Unity

11% of 81 decks +4% synergy

Talisman of Resilience

11% of 81 decks +3% synergy

Selesnya Signet

6% of 81 decks -2% synergy

Orzhov Signet

6% of 81 decks -2% synergy

Fellwar Stone

6% of 81 decks -2% synergy

Golgari Signet

6% of 81 decks -3% synergy

Lands

Command Tower

90% of 81 decks -0% synergy

Overgrown Tomb

79% of 81 decks +32% synergy

Temple Garden

77% of 81 decks +30% synergy

Godless Shrine

75% of 81 decks +30% synergy

Bountiful Promenade

70% of 81 decks +40% synergy

Undergrowth Stadium

70% of 81 decks +39% synergy

Indatha Triome

70% of 81 decks +28% synergy

Vault of Champions

69% of 81 decks +41% synergy

Marsh Flats

62% of 81 decks +27% synergy

Windswept Heath

59% of 81 decks +24% synergy

Verdant Catacombs

56% of 81 decks +21% synergy

Exotic Orchard

56% of 81 decks +0% synergy

Overgrown Farmland

49% of 81 decks +31% synergy

Woodland Cemetery

48% of 81 decks +8% synergy

Sandsteppe Citadel

47% of 81 decks -5% synergy

Isolated Chapel

46% of 81 decks +8% synergy

Sunpetal Grove

44% of 81 decks +8% synergy

Deathcap Glade

42% of 81 decks +28% synergy

Shattered Sanctum

36% of 81 decks +24% synergy

Underground Mortuary

35% of 81 decks +16% synergy

Lush Portico

33% of 81 decks +13% synergy

Wastewood Verge

32% of 81 decks +24% synergy

Hushwood Verge

31% of 81 decks +22% synergy

Brushland

31% of 81 decks +4% synergy

Canopy Vista

30% of 81 decks -15% synergy

Llanowar Wastes

28% of 81 decks +2% synergy

Caves of Koilos

27% of 81 decks -0% synergy

Shadowy Backstreet

26% of 81 decks +8% synergy

Bleachbone Verge

23% of 81 decks +16% synergy

Murmuring Bosk

23% of 81 decks +3% synergy

Scrubland

22% of 81 decks +10% synergy

Bayou

21% of 81 decks +9% synergy

Savannah

21% of 81 decks +8% synergy

Twilight Mire

17% of 81 decks +10% synergy

Polluted Delta

17% of 81 decks +9% synergy

Wooded Foothills

17% of 81 decks +8% synergy

Flooded Strand

16% of 81 decks +8% synergy

Bloodstained Mire

15% of 81 decks +6% synergy

City of Brass

15% of 81 decks +5% synergy

Misty Rainforest

15% of 81 decks +5% synergy

Arid Mesa

14% of 81 decks +5% synergy

Sungrass Prairie

14% of 81 decks +1% synergy

Fortified Village

14% of 81 decks -9% synergy

Darkbore Pathway

12% of 81 decks +5% synergy

Branchloft Pathway

12% of 81 decks +5% synergy

Deceptive Landscape

12% of 81 decks -11% synergy

Viridescent Bog

11% of 81 decks +8% synergy

Brightclimb Pathway

11% of 81 decks +4% synergy

Mana Confluence

11% of 81 decks +3% synergy

Fabled Passage

9% of 81 decks -5% synergy