High Synergy Cards
Cards that work exceptionally well with Karlach, Fury of Avernus // Scion of Halaster's abilities and overall game plan.
Murder+38% Synergy
$0.06
Chainer, Nightmare Adept+28% Synergy
$0.53
Aggravated Assault+26% Synergy
$18.73
Sheoldred, Whispering One+25% Synergy
$15.89
Dolmen Gate+22% Synergy
$24.71
Victimize+22% Synergy
$0.56
City on Fire+22% Synergy
$5.62
Reanimate+22% Synergy
$7.64
Stitcher's Supplier+21% Synergy
$0.26
Azra Oddsmaker+21% Synergy
$0.48
Top Cards
The most popular and reliable cards that form the backbone of successful Karlach, Fury of Avernus // Scion of Halaster decks.
Thrill of Possibility+20% Synergy
$0.06
Faithless Looting+19% Synergy
$0.29
Etali, Primal Storm+19% Synergy
$0.34
Lightning Bolt+17% Synergy
$0.99
Swiftfoot Boots+16% Synergy
$1.30
Dark Ritual+3% Synergy
$2.94
Vandalblast+3% Synergy
$2.73
Blasphemous Act+2% Synergy
$1.13
Terminate-7% Synergy
$0.32
Chaos Warp-16% Synergy
$0.34
Game Changers
Powerful cards that can single-handedly turn the tide of a game when resolved.
Vampiric Tutor+27% Synergy
$50.85
Demonic Tutor+19% Synergy
$58.30
Ancient Tomb+13% Synergy
$94.69
Gamble+13% Synergy
$7.91
Imperial Seal+13% Synergy
$113.27
Chrome Mox+8% Synergy
$92.16
Deflecting Swat-1% Synergy
$46.20
Jeska's Will-11% Synergy
$26.15
Creatures
Essential creatures that complement Karlach, Fury of Avernus // Scion of Halaster's strategy through synergy, utility, or raw power.
Feldon of the Third Path+18% Synergy
$0.85
Crashing Drawbridge+18% Synergy
$0.56
Archpriest of Shadows+17% Synergy
$0.49
Bloodthirster+17% Synergy
$16.89
Bladewing, Deathless Tyrant+17% Synergy
$2.66
Anger+16% Synergy
$1.61
Massacre Girl+15% Synergy
$0.27
Professional Face-Breaker+14% Synergy
$4.04
Grim Hireling+13% Synergy
$10.56
Hoarding Ogre+13% Synergy
$0.13
Combustible Gearhulk+12% Synergy
$0.26
Accursed Marauder+12% Synergy
$0.23
Lord Skitter, Sewer King+12% Synergy
$1.34
Kediss, Emberclaw Familiar+12% Synergy
$4.18
Olivia, Crimson Bride+12% Synergy
$5.80
Junji, the Midnight Sky+12% Synergy
$0.56
Combat Celebrant+12% Synergy
$1.20
Pinnacle Monk+11% Synergy
$1.74
Ancient Copper Dragon+11% Synergy
$70.01
Krenko, Tin Street Kingpin+10% Synergy
$1.51
Delina, Wild Mage+10% Synergy
$7.36
Roaming Throne+9% Synergy
$30.11
Bloodletter of Aclazotz+8% Synergy
$24.34
Lagomos, Hand of Hatred+7% Synergy
$0.17
Solemn Simulacrum+6% Synergy
$0.26
Ragavan, Nimble Pilferer+5% Synergy
$27.60
Instants
Key instant-speed responses for protection, removal, and keeping Karlach, Fury of Avernus // Scion of Halaster safe.
Big Score+11% Synergy
$0.62
Deadly Rollick0% Synergy
$18.24
Abrade-2% Synergy
$0.15
Village Rites-2% Synergy
$0.20
Rakdos Charm-19% Synergy
$0.31
Bedevil-22% Synergy
$0.51
Sorceries
Important sorcery spells that advance Karlach, Fury of Avernus // Scion of Halaster's game plan and control the board.
Living Death+19% Synergy
$2.36
Buried Alive+19% Synergy
$0.83
Dread Return+19% Synergy
$0.26
Stitch Together+18% Synergy
$3.36
Relentless Assault+17% Synergy
$4.02
Cathartic Reunion+13% Synergy
$0.14
Unearth+9% Synergy
$0.46
Wheel of Fortune+8% Synergy
$1474.14
Feed the Swarm-21% Synergy
$0.23
Utility Artifacts
Versatile artifacts that provide ongoing value, card selection, or strategic advantages.
Mithril Coat+19% Synergy
$17.15
Embercleave+18% Synergy
$7.95
Sword of Feast and Famine+13% Synergy
$33.77
Matzalantli, the Great Door+13% Synergy
$0.90
Helm of the Host+9% Synergy
$12.75
Basilisk Collar+5% Synergy
$3.11
Lightning Greaves-6% Synergy
$4.45
Enchantments
Powerful enchantments that support Karlach, Fury of Avernus // Scion of Halaster's strategy and create lasting battlefield effects.
Animate Dead+18% Synergy
$6.79
Rising of the Day+14% Synergy
$0.47
Fiery Emancipation+13% Synergy
$8.53
Oversold Cemetery+12% Synergy
$0.98
Sneak Attack+11% Synergy
$4.91
Necromancy+11% Synergy
$6.98
Phyrexian Arena+5% Synergy
$1.55
Planeswalkers
Planeswalkers that work alongside Karlach, Fury of Avernus // Scion of Halaster to provide ongoing value and board presence.
Zariel, Archduke of Avernus+12% Synergy
$2.66
Utility Lands
Non-basic lands that offer additional utility beyond just mana production.
Sokenzan, Crucible of Defiance+14% Synergy
$0.98
Rogue's Passage0% Synergy
$0.27
Bojuka Bog-22% Synergy
$0.57
Mana Artifacts
Artifacts focused on mana acceleration and color fixing for consistent gameplay.
Fellwar Stone+13% Synergy
$1.12
Fire Diamond+9% Synergy
$0.24
Commander's Sphere-1% Synergy
$0.16
Rakdos Signet-5% Synergy
$0.76
Sol Ring-6% Synergy
$1.07
Mind Stone-8% Synergy
$0.22
Arcane Signet-12% Synergy
$0.51
Talisman of Indulgence-13% Synergy
$1.94
Lands
The mana base foundation for Karlach, Fury of Avernus // Scion of Halaster decks, ensuring smooth and reliable mana development.
Sulfurous Mire+14% Synergy
$0.22
Geothermal Bog+10% Synergy
$0.22
Bloodfell Caves+5% Synergy
$0.11
Raucous Theater+1% Synergy
$8.92
Canyon Slough+1% Synergy
$0.40
Temple of Malice-1% Synergy
$0.22
Terramorphic Expanse-2% Synergy
$0.28
Blackcleave Cliffs-4% Synergy
$1.23
Blood Crypt-7% Synergy
$15.33
Blazemire Verge-7% Synergy
$6.82
Foreboding Ruins-8% Synergy
$0.22
Evolving Wilds-8% Synergy
$0.23
Shadowblood Ridge-10% Synergy
$0.28
Luxury Suite-11% Synergy
$13.40
Haunted Ridge-11% Synergy
$3.99
Bloodstained Mire-12% Synergy
$13.68
Exotic Orchard-13% Synergy
$0.45
Command Tower-15% Synergy
$0.22
Smoldering Marsh-16% Synergy
$0.38
Rakdos Carnarium-16% Synergy
$0.32
Sulfurous Springs-21% Synergy
$0.40
Tainted Peak-26% Synergy
$0.31
Dragonskull Summit-27% Synergy
$1.01