Betor, Kin to All + Astarion, the Decadent

Betor, Kin to All
Astarion, the Decadent

Requires
Betor, Kin to All must be on the battlefield. Astarion, the Decadent must be on the battlefield.
Steps
  1. At the beginning of your end step, Betor and Astarion trigger.
  2. Resolve the Betor trigger, causing each opponent to half their life total, rounded up.
  3. Resolve the Astarion trigger, causing an opponent to lose life equal to the life they've lost this turn.
Results
Near-infinite lifeloss. Infinite lifeloss for target opponent.

Betor, Kin to All
4.40% of 840 decks 37 decks
Betor, Ancestor's Voice
1.07% of 1677 decks 18 decks
New Cards
Felothar the Steadfast
38% of 55 decks +33% synergy
Arbor Adherent
32% of 38 decks +20% synergy
Wastewood Verge
24% of 55 decks +17% synergy
Bleachbone Verge
22% of 55 decks +16% synergy
Canopy Gargantuan
21% of 38 decks +13% synergy
High Synergy Cards
Tree of Redemption
56% of 55 decks +54% synergy
Tree of Perdition
56% of 55 decks +53% synergy
Wound Reflection
49% of 55 decks +48% synergy
Doran, the Siege Tower
47% of 55 decks +45% synergy
Bedrock Tortoise
44% of 55 decks +40% synergy
Wall of Blossoms
42% of 55 decks +40% synergy
Wall of Omens
40% of 55 decks +38% synergy
Ikra Shidiqi, the Usurper
40% of 55 decks +37% synergy
Baldin, Century Herdmaster
38% of 55 decks +37% synergy
Assault Formation
40% of 55 decks +36% synergy
Top Cards
Swords to Plowshares
65% of 55 decks +3% synergy
Cultivate
64% of 55 decks +19% synergy
Farseek
55% of 55 decks +10% synergy
Anguished Unmaking
45% of 55 decks +14% synergy
Heroic Intervention
44% of 55 decks +18% synergy
Path to Exile
44% of 55 decks -4% synergy
Rhox Faithmender
40% of 55 decks +35% synergy
Toxic Deluge
38% of 55 decks +16% synergy
Three Visits
38% of 55 decks +16% synergy
Rampant Growth
38% of 55 decks +11% synergy
Game Changers
Bolas's Citadel
22% of 55 decks +15% synergy
The One Ring
13% of 55 decks +4% synergy
Trouble in Pairs
9% of 55 decks +6% synergy
Smothering Tithe
9% of 55 decks -7% synergy
Ancient Tomb
7% of 55 decks -1% synergy
Vampiric Tutor
7% of 55 decks -6% synergy
Demonic Tutor
7% of 55 decks -9% synergy
Creatures
Crystal Barricade
36% of 55 decks +33% synergy
Fecund Greenshell
36% of 55 decks +31% synergy
Birds of Paradise
36% of 55 decks -0% synergy
Ancient Lumberknot
35% of 55 decks +31% synergy
Bloodletter of Aclazotz
33% of 55 decks +32% synergy
Indomitable Ancients
33% of 55 decks +29% synergy
Bloodthirsty Conqueror
31% of 55 decks +26% synergy
Trostani, Selesnya's Voice
31% of 55 decks +26% synergy
Unhallowed Phalanx
29% of 55 decks +27% synergy
Abzan Beastmaster
29% of 55 decks +27% synergy
Vito, Thorn of the Dusk Rose
29% of 55 decks +19% synergy
Nyx-Fleece Ram
27% of 55 decks +25% synergy
Sylvan Caryatid
27% of 55 decks +24% synergy
Colfenor, the Last Yew
27% of 55 decks +23% synergy
Lathiel, the Bounteous Dawn
27% of 55 decks +22% synergy
Soul Warden
27% of 55 decks +20% synergy
Overgrown Battlement
25% of 55 decks +24% synergy
Beledros Witherbloom
25% of 55 decks +20% synergy
Enduring Tenacity
25% of 55 decks +19% synergy
Towering Titan
24% of 55 decks +23% synergy
Children of Korlis
24% of 55 decks +23% synergy
Sapling of Colfenor
24% of 55 decks +19% synergy
Heliod, Sun-Crowned
24% of 55 decks +19% synergy
Elves of Deep Shadow
24% of 55 decks +11% synergy
Essence Warden
24% of 55 decks +10% synergy
Avacyn's Pilgrim
24% of 55 decks +5% synergy
Dragonlord Dromoka
22% of 55 decks +20% synergy
Celestine, the Living Saint
22% of 55 decks +19% synergy
Catapult Fodder
20% of 55 decks +19% synergy
Doom Whisperer
20% of 55 decks +18% synergy
Exemplar of Light
20% of 55 decks +16% synergy
Kami of Whispered Hopes
20% of 55 decks +15% synergy
Faeburrow Elder
20% of 55 decks +12% synergy
Gluntch, the Bestower
18% of 55 decks +18% synergy
Flumph
18% of 55 decks +18% synergy
Willowdusk, Essence Seer
18% of 55 decks +17% synergy
Essence of Antiquity
18% of 55 decks +17% synergy
Runic Armasaur
18% of 55 decks +16% synergy
Wall of Roots
18% of 55 decks +14% synergy
Sakura-Tribe Elder
18% of 55 decks -4% synergy
Wall of Shards
16% of 55 decks +16% synergy
Axebane Guardian
16% of 55 decks +15% synergy
Zopandrel, Hunger Dominus
16% of 55 decks +15% synergy
Elenda, the Dusk Rose
16% of 55 decks +15% synergy
Darkstar Augur
16% of 55 decks +14% synergy
Archangel of Thune
16% of 55 decks +13% synergy
Beast Whisperer
16% of 55 decks +10% synergy
Archfiend of Despair
15% of 55 decks +14% synergy
Essence Channeler
15% of 55 decks +13% synergy
Rodolf Duskbringer
15% of 55 decks +13% synergy
Instants
Assassin's Trophy
35% of 55 decks +3% synergy
Tower Defense
33% of 55 decks +29% synergy
Teferi's Protection
18% of 55 decks +3% synergy
Beast Within
18% of 55 decks -8% synergy
Despark
16% of 55 decks +7% synergy
Generous Gift
16% of 55 decks +1% synergy
Akroma's Will
15% of 55 decks +10% synergy
Dawn's Truce
15% of 55 decks +9% synergy
Fell the Profane
13% of 55 decks +6% synergy
Flawless Maneuver
11% of 55 decks +5% synergy
Putrefy
11% of 55 decks +1% synergy
Infernal Grasp
9% of 55 decks +7% synergy
Beacon of Immortality
9% of 55 decks +6% synergy
Dark Ritual
9% of 55 decks +4% synergy
Revitalizing Repast
9% of 55 decks +1% synergy
Entomb
9% of 55 decks -1% synergy
Bar the Door
7% of 55 decks +6% synergy
Clever Concealment
7% of 55 decks +4% synergy
Mortality Spear
7% of 55 decks +2% synergy
Mythos of Nethroi
7% of 55 decks -0% synergy
Eladamri's Call
7% of 55 decks -2% synergy
Mortify
7% of 55 decks -9% synergy
Momentous Fall
5% of 55 decks +5% synergy
Snuff Out
5% of 55 decks +5% synergy
Surge of Salvation
5% of 55 decks +4% synergy
Duty Beyond Death
5% of 55 decks +4% synergy
Refuse to Yield
5% of 55 decks +4% synergy
Galadriel's Dismissal
5% of 55 decks +4% synergy
Tamiyo's Safekeeping
5% of 55 decks +3% synergy
Unbreakable Formation
5% of 55 decks +3% synergy
Heliod's Intervention
5% of 55 decks +3% synergy
Krosan Grip
5% of 55 decks +3% synergy
Deathsprout
5% of 55 decks +2% synergy
Chord of Calling
5% of 55 decks -1% synergy
Abzan Charm
5% of 55 decks -4% synergy
Crop Rotation
5% of 55 decks -9% synergy
Sorceries
Nature's Lore
36% of 55 decks +6% synergy
Kodama's Reach
35% of 55 decks +10% synergy
Last March of the Ents
29% of 55 decks +26% synergy
Reanimate
27% of 55 decks +16% synergy
Slaughter the Strong
24% of 55 decks +21% synergy
Eerie Ultimatum
22% of 55 decks +0% synergy
Reunion of the House
21% of 38 decks +13% synergy
Dusk // Dawn
18% of 55 decks +6% synergy
Expel the Interlopers
16% of 55 decks +14% synergy
Fell the Mighty
16% of 55 decks +7% synergy
Will of the Abzan
16% of 38 decks +7% synergy
Feed the Swarm
15% of 55 decks +12% synergy
The Battle of Bywater
15% of 55 decks +2% synergy
Exsanguinate
13% of 55 decks +9% synergy
Debt to the Deathless
11% of 55 decks +9% synergy
Buried Alive
11% of 55 decks +3% synergy
Night's Whisper
11% of 55 decks -3% synergy
Tip the Scales
11% of 38 decks +3% synergy
Wave of Reckoning
9% of 55 decks +7% synergy
Skyshroud Claim
9% of 55 decks +4% synergy
Painful Truths
9% of 55 decks +3% synergy
Farewell
9% of 55 decks +1% synergy
Perennation
8% of 50 decks +6% synergy
Kin-Tree Invocation
7% of 55 decks +7% synergy
Revival // Revenge
7% of 55 decks +6% synergy
Sign in Blood
7% of 55 decks +4% synergy
Bala Ged Recovery
7% of 55 decks -1% synergy
Harmonize
7% of 55 decks -2% synergy
Traverse the Outlands
5% of 55 decks +5% synergy
Circuitous Route
5% of 55 decks +5% synergy
Diresight
5% of 55 decks +4% synergy
Regrowth
5% of 55 decks +4% synergy
Agadeem's Awakening
5% of 55 decks +3% synergy
Diabolic Tutor
5% of 55 decks +2% synergy
Austere Command
5% of 55 decks -2% synergy
Fumigate
5% of 55 decks -5% synergy
Damn
5% of 55 decks -9% synergy
Utility Artifacts
Swiftfoot Boots
31% of 55 decks +16% synergy
Lightning Greaves
27% of 55 decks +12% synergy
Rammas Echor, Ancient Shield
22% of 55 decks +21% synergy
Colfenor's Urn
18% of 55 decks +17% synergy
Whip of Erebos
16% of 55 decks +14% synergy
Meekstone
15% of 55 decks +13% synergy
Commander's Sphere
11% of 55 decks -2% synergy
Strionic Resonator
9% of 55 decks +8% synergy
Slagwurm Armor
9% of 55 decks +7% synergy
Alhammarret's Archive
9% of 55 decks +4% synergy
Aetherflux Reservoir
9% of 55 decks +3% synergy
The Great Henge
7% of 55 decks +1% synergy
Quietus Spike
5% of 55 decks +5% synergy
Robe of Stars
5% of 55 decks +5% synergy
Abzan Banner
5% of 55 decks +4% synergy
Caduceus, Staff of Hermes
5% of 55 decks +4% synergy
The Ozolith
5% of 55 decks +1% synergy
Well of Lost Dreams
5% of 55 decks -5% synergy
Enchantments
Phyrexian Arena
36% of 55 decks +22% synergy
Stoneskin
35% of 55 decks +31% synergy
Behind the Scenes
25% of 55 decks +21% synergy
Sanguine Bond
24% of 55 decks +8% synergy
Unnatural Growth
22% of 55 decks +19% synergy
Black Market Connections
22% of 55 decks +14% synergy
Jaws of Defeat
21% of 38 decks +10% synergy
Exquisite Blood
20% of 55 decks +14% synergy
Ripples of Undeath
18% of 55 decks +6% synergy
Brave the Sands
16% of 55 decks +13% synergy
Guardian Project
16% of 55 decks +11% synergy
Warlock Class
15% of 55 decks +14% synergy
Angelic Chorus
11% of 55 decks +10% synergy
Spidersilk Armor
11% of 55 decks +9% synergy
Lunar Convocation
11% of 55 decks +9% synergy
Cleric Class
11% of 55 decks +7% synergy
Sylvan Library
11% of 55 decks -3% synergy
Colossification
9% of 55 decks +9% synergy
Unspeakable Symbol
9% of 55 decks +9% synergy
Branching Evolution
9% of 55 decks +6% synergy
Greater Good
9% of 55 decks +5% synergy
Sight of the Scalelords
7% of 55 decks +7% synergy
Dark Tutelage
7% of 55 decks +7% synergy
Fruit of the First Tree
7% of 55 decks +7% synergy
Treefolk Umbra
7% of 55 decks +7% synergy
Assemble the Players
7% of 55 decks +6% synergy
The Birth of Meletis
7% of 55 decks +5% synergy
Smile at Death
7% of 55 decks +5% synergy
Cryptolith Rite
7% of 55 decks +3% synergy
Hardened Scales
7% of 55 decks +1% synergy
Font of Agonies
5% of 55 decks +5% synergy
Garruk's Uprising
5% of 55 decks +3% synergy
True Conviction
5% of 55 decks +3% synergy
Innkeeper's Talent
5% of 55 decks +3% synergy
The Meathook Massacre
5% of 55 decks +1% synergy
Authority of the Consuls
5% of 55 decks +0% synergy
Cathars' Crusade
5% of 55 decks +0% synergy
Blind Obedience
5% of 55 decks -0% synergy
Ghostly Prison
5% of 55 decks -3% synergy
Exploration
5% of 55 decks -6% synergy
Mirari's Wake
5% of 55 decks -7% synergy
Planeswalkers
Huatli, the Sun's Heart
27% of 55 decks +25% synergy
Teyo, Geometric Tactician
11% of 55 decks +11% synergy
Utility Lands
Bojuka Bog
35% of 55 decks +5% synergy
Reliquary Tower
27% of 55 decks +12% synergy
Yavimaya, Cradle of Growth
24% of 55 decks -3% synergy
Vault of the Archangel
18% of 55 decks +10% synergy
Urborg, Tomb of Yawgmoth
18% of 55 decks -2% synergy
Rogue's Passage
15% of 55 decks -2% synergy
Access Tunnel
11% of 55 decks +1% synergy
Boseiju, Who Endures
11% of 55 decks -11% synergy
Gavony Township
9% of 55 decks -0% synergy
Forbidding Watchtower
7% of 55 decks +6% synergy
Castle Locthwain
7% of 55 decks +6% synergy
Shifting Woodland
7% of 55 decks -5% synergy
Hall of the Bandit Lord
5% of 55 decks +5% synergy
Mana Artifacts
Sol Ring
85% of 55 decks +6% synergy
Arcane Signet
75% of 55 decks +10% synergy
Talisman of Unity
27% of 55 decks +21% synergy
Talisman of Hierarchy
27% of 55 decks +21% synergy
Talisman of Resilience
27% of 55 decks +20% synergy
Fellwar Stone
20% of 55 decks +12% synergy
Staff of Compleation
18% of 55 decks +15% synergy
Selesnya Signet
16% of 55 decks +9% synergy
Orzhov Signet
16% of 55 decks +9% synergy
Golgari Signet
11% of 55 decks +1% synergy
Chromatic Lantern
11% of 55 decks -4% synergy
Thought Vessel
9% of 55 decks +6% synergy
Lands
Command Tower
96% of 55 decks +6% synergy
Sandsteppe Citadel
60% of 55 decks +9% synergy
Exotic Orchard
56% of 55 decks +1% synergy
Woodland Cemetery
45% of 55 decks +6% synergy
Indatha Triome
45% of 55 decks +3% synergy
Isolated Chapel
44% of 55 decks +7% synergy
Temple Garden
44% of 55 decks -3% synergy
Llanowar Wastes
42% of 55 decks +15% synergy
Caves of Koilos
42% of 55 decks +15% synergy
Godless Shrine
42% of 55 decks -4% synergy
Overgrown Tomb
40% of 55 decks -8% synergy
Brushland
38% of 55 decks +12% synergy
Sunpetal Grove
38% of 55 decks +3% synergy
Windswept Heath
35% of 55 decks -1% synergy
Vault of Champions
33% of 55 decks +4% synergy
Bountiful Promenade
33% of 55 decks +2% synergy
Undergrowth Stadium
33% of 55 decks +1% synergy
Marsh Flats
33% of 55 decks -2% synergy
Verdant Catacombs
33% of 55 decks -2% synergy
Canopy Vista
33% of 55 decks -12% synergy
Overgrown Farmland
31% of 55 decks +14% synergy
Temple of Malady
29% of 55 decks +13% synergy
Temple of Plenty
27% of 55 decks +12% synergy
Path of Ancestry
27% of 55 decks +2% synergy
Temple of Silence
25% of 55 decks +10% synergy
Evolving Wilds
25% of 55 decks -2% synergy
Deathcap Glade
24% of 55 decks +10% synergy
Fortified Village
24% of 55 decks +1% synergy
Underground Mortuary
22% of 55 decks +3% synergy
Murmuring Bosk
22% of 55 decks +1% synergy
Deceptive Landscape
22% of 55 decks -0% synergy
Hushwood Verge
20% of 55 decks +12% synergy
Lush Portico
20% of 55 decks -0% synergy
Shattered Sanctum
18% of 55 decks +7% synergy
Shadowy Backstreet
18% of 55 decks +0% synergy
Radiant Grove
15% of 55 decks +9% synergy
Twilight Mire
15% of 55 decks +8% synergy
Horizon Canopy
15% of 55 decks +6% synergy
City of Brass
15% of 55 decks +5% synergy
Sungrass Prairie
15% of 55 decks +2% synergy
Silent Clearing
13% of 55 decks +8% synergy
Nurturing Peatland
13% of 55 decks +6% synergy
Blossoming Sands
11% of 55 decks +4% synergy
Jungle Hollow
11% of 55 decks +3% synergy
Scrubland
11% of 55 decks -1% synergy
Bayou
11% of 55 decks -2% synergy
Savannah
11% of 55 decks -2% synergy
Mana Confluence
9% of 55 decks +1% synergy
Orzhov Guildgate
7% of 55 decks +5% synergy
Selesnya Guildgate
7% of 55 decks +5% synergy