The Ruinous Powers Upgrades for Abaddon the Despoiler

Ancient Cellarspawn
47% of 59 decks +39% synergy
The Lord of Pain
41% of 44 decks +31% synergy
Inevitable Betrayal
38% of 1256 decks +34% synergy
Profane Tutor
35% of 1256 decks +30% synergy
Call Forth the Tempest
35% of 390 decks +32% synergy
Nalfeshnee
34% of 1256 decks +33% synergy
Loyal Subordinate
34% of 1256 decks +32% synergy
Wild-Magic Sorcerer
30% of 1256 decks +28% synergy
Creeping Bloodsucker
29% of 680 decks +24% synergy
Bloodletter of Aclazotz
28% of 346 decks +23% synergy
Thermo-Alchemist
27% of 1256 decks +26% synergy
Court of Ambition
26% of 1256 decks +20% synergy
Stormfist Crusader
26% of 1256 decks +20% synergy
Geyadrone Dihada
25% of 1256 decks +21% synergy
Ancestral Vision
25% of 1256 decks +21% synergy
Descent into Avernus
24% of 1256 decks +20% synergy
Delayed Blast Fireball
22% of 1256 decks +20% synergy
Rakdos Charm
20% of 1256 decks +5% synergy
Florian, Voldaren Scion
20% of 1256 decks +19% synergy
Rakdos, Lord of Riots
20% of 1256 decks +16% synergy
Solphim, Mayhem Dominus
20% of 608 decks +14% synergy
Tectonic Giant
19% of 1256 decks +18% synergy
Aurora Phoenix
19% of 1256 decks +18% synergy
Nightscape Familiar
19% of 1256 decks -7% synergy
Swiftfoot Boots
18% of 1256 decks -8% synergy
Prosper, Tome-Bound
17% of 1256 decks +14% synergy
Sinister Monolith
15% of 94 decks +14% synergy
Chandra, Torch of Defiance
15% of 1256 decks +13% synergy
Bedevil
15% of 1256 decks -7% synergy
Passionate Archaeologist
14% of 1256 decks +13% synergy
Powerbalance
14% of 173 decks +11% synergy
Neheb, the Eternal
14% of 1256 decks +12% synergy
Séance Board
14% of 44 decks +4% synergy
Maestros Charm
14% of 1256 decks +9% synergy
Cryptolith Fragment
13% of 1256 decks +13% synergy
Duskmantle Seer
13% of 1256 decks +12% synergy
Palace Siege
13% of 1256 decks +11% synergy
Bloodsoaked Insight
13% of 167 decks +9% synergy
Lightning Greaves
13% of 1256 decks -17% synergy
Flame Rift
12% of 1256 decks +11% synergy
Fiery Inscription
12% of 478 decks +5% synergy
Spawn of Mayhem
12% of 1256 decks +11% synergy
Protection Racket
12% of 1256 decks +10% synergy
Demonic Counsel
11% of 81 decks +2% synergy
Unholy Annex // Ritual Chamber
11% of 66 decks +5% synergy
Keen Duelist
10% of 1256 decks +9% synergy
The Key to the Vault
10% of 214 decks +9% synergy
Solemn Simulacrum
10% of 1256 decks -6% synergy
Sunspine Lynx
10% of 103 decks +9% synergy
Mizzix, Replica Rider
9% of 680 decks +9% synergy
Lands to Add
Seething Landscape
39% of 152 decks +7% synergy
Xander's Lounge
17% of 1256 decks -26% synergy
Dragonskull Summit
16% of 1256 decks -26% synergy
Smoldering Marsh
15% of 1256 decks -24% synergy
Blazemire Verge
13% of 76 decks -4% synergy
Blood Crypt
12% of 1256 decks -31% synergy
Sulfur Falls
12% of 1256 decks -31% synergy
Luxury Suite
10% of 1256 decks -24% synergy
Steam Vents
10% of 1256 decks -34% synergy
Shivan Reef
9% of 1256 decks -18% synergy
Eroded Canyon
9% of 214 decks +6% synergy
Bojuka Bog
9% of 1256 decks -16% synergy
Watery Grave
9% of 1256 decks -36% synergy
Drowned Catacomb
8% of 1256 decks -32% synergy
Jagged Barrens
8% of 214 decks +5% synergy
Sulfurous Springs
7% of 1256 decks -17% synergy
Training Center
7% of 1256 decks -28% synergy
Gloomlake Verge
5% of 76 decks -11% synergy
Myriad Landscape
5% of 1256 decks -9% synergy
Choked Estuary
5% of 1256 decks -13% synergy
Temple of Epiphany
5% of 1256 decks -12% synergy
Morphic Pool
5% of 1256 decks -29% synergy
Cards to Cut
Nurgle's Rot
Cut from 64% of decks
Assault Suit
Cut from 62% of decks
Venomcrawler
Cut from 60% of decks
Helbrute
Cut from 58% of decks
Mortarion, Daemon Primarch
Cut from 54% of decks
Seeker of Slaanesh
Cut from 54% of decks
Khârn the Betrayer
Cut from 52% of decks
The Horus Heresy
Cut from 51% of decks
Bile Blight
Cut from 50% of decks
Knight Rampager
Cut from 50% of decks
Tallyman of Nurgle
Cut from 46% of decks
Lucius the Eternal
Cut from 43% of decks
Reverberate
Cut from 34% of decks
Herald of Slaanesh
Cut from 31% of decks
Sloppity Bilepiper
Cut from 31% of decks
Past in Flames
Cut from 31% of decks
Wayfarer's Bauble
Cut from 31% of decks
Be'lakor, the Dark Master
Cut from 30% of decks
Aspiring Champion
Cut from 30% of decks
Drach'Nyen
Cut from 29% of decks
Tzaangor Shaman
Cut from 28% of decks
Lands to Cut
Molten Slagheap
Cut from 32% of decks
Barren Moor
Cut from 32% of decks
Swiftwater Cliffs
Cut from 30% of decks
Dismal Backwater
Cut from 30% of decks
Forgotten Cave
Cut from 30% of decks
Temple of the False God
Cut from 28% of decks
Terramorphic Expanse
Cut from 18% of decks
Evolving Wilds
Cut from 17% of decks
Path of Ancestry
Cut from 11% of decks
Foreboding Ruins
Cut from 9% of decks
Sunken Hollow
Cut from 5% of decks
Exotic Orchard
Cut from 5% of decks