The Ruinous Powers Upgrades for Yidris, Maelstrom Wielder

Precon Card Upgrades

Cards to Cut

Helbrute
Cut from 67% of decks
Khârn the Betrayer
Cut from 67% of decks
Knight Rampager
Cut from 67% of decks
Assault Suit
Cut from 56% of decks
Tallyman of Nurgle
Cut from 56% of decks
Blight Grenade
Cut from 44% of decks
Lucius the Eternal
Cut from 44% of decks
Mortarion, Daemon Primarch
Cut from 44% of decks
The Horus Heresy
Cut from 44% of decks
Venomcrawler
Cut from 44% of decks
Aspiring Champion
Cut from 44% of decks
Great Unclean One
Cut from 33% of decks
Nurgle's Rot
Cut from 33% of decks
Bile Blight
Cut from 33% of decks
Mutalith Vortex Beast
Cut from 33% of decks
Pink Horror
Cut from 33% of decks
Past in Flames
Cut from 33% of decks
The Lost and the Damned
Cut from 22% of decks
Worn Powerstone
Cut from 22% of decks
Nurgle's Conscription
Cut from 22% of decks
Poxwalkers
Cut from 22% of decks

Cards to Add

Abaddon the Despoiler
67% of 9 decks +34% synergy
Averna, the Chaos Bloom
44% of 9 decks +10% synergy

Lands to Cut

Barren Moor
Cut from 67% of decks
Forgotten Cave
Cut from 67% of decks
Swiftwater Cliffs
Cut from 44% of decks
Dismal Backwater
Cut from 33% of decks
Evolving Wilds
Cut from 33% of decks
Terramorphic Expanse
Cut from 33% of decks
Temple of the False God
Cut from 22% of decks
Foreboding Ruins
Cut from 22% of decks
Molten Slagheap
Cut from 22% of decks
Path of Ancestry
Cut from 11% of decks
Crumbling Necropolis
Cut from 11% of decks
Sunken Hollow
Cut from 11% of decks

Lands to Add

Mortuary Mire
22% of 9 decks +22% synergy
Verdant Catacombs
22% of 9 decks -26% synergy
Opulent Palace
22% of 9 decks -2% synergy
Dreadship Reef
11% of 9 decks +11% synergy
Witch's Cottage
11% of 9 decks +11% synergy
Frontier Bivouac
11% of 9 decks -15% synergy
Hinterland Harbor
11% of 9 decks +2% synergy
Shimmering Grotto
11% of 9 decks +11% synergy
Temple of Mystery
11% of 9 decks +5% synergy
Thornwood Falls
11% of 9 decks +8% synergy
Transguild Promenade
11% of 9 decks +11% synergy
Rupture Spire
11% of 9 decks +9% synergy
Rakdos Carnarium
11% of 9 decks +5% synergy
Golgari Guildgate
11% of 9 decks +9% synergy
Blood Crypt
11% of 9 decks -36% synergy
Bloodstained Mire
11% of 9 decks -32% synergy
Breeding Pool
11% of 9 decks -44% synergy
Ketria Triome
11% of 9 decks -24% synergy
Luxury Suite
11% of 9 decks -9% synergy
Misty Rainforest
11% of 9 decks -38% synergy
Morphic Pool
11% of 9 decks -15% synergy
Overgrown Tomb
11% of 9 decks -41% synergy
Polluted Delta
11% of 9 decks -33% synergy
Rejuvenating Springs
11% of 9 decks -17% synergy
Scalding Tarn
11% of 9 decks -36% synergy
Spire Garden
11% of 9 decks -6% synergy
Steam Vents
11% of 9 decks -43% synergy
Stomping Ground
11% of 9 decks -37% synergy
Training Center
11% of 9 decks -14% synergy
Undergrowth Stadium
11% of 9 decks -11% synergy
Watery Grave
11% of 9 decks -45% synergy
Wooded Foothills
11% of 9 decks -33% synergy
Xander's Lounge
11% of 9 decks -26% synergy
Zagoth Triome
11% of 9 decks -23% synergy
Ziatora's Proving Ground
11% of 9 decks -27% synergy
Blighted Woodland
11% of 9 decks +9% synergy
Myriad Landscape
11% of 9 decks +5% synergy
Rogue's Passage
11% of 9 decks -10% synergy
Soaring Seacliff
11% of 9 decks +11% synergy
Stormcarved Coast
11% of 9 decks +3% synergy