Kederekt Parasite (Card)
Kederekt Parasite
In 17199 decks
1% of 1989622 decks
Feb 15, 2024
Nearly Identical - Tor Wauki, the Younger or Judith, Carnage Connoisseur?
Who is the best Rakdos commander for a burn deck?
Mar 6, 2019
Unlikely Alliance – Kraum & Silas
Kraum and Silas are an unusual combination, which makes them even more fearsome!
Top Commanders (6)
Ob Nixilis, Captive Kingpin
74.13% of 5420 decks
4018 decks
Nekusar, the Mindrazer
49.46% of 15054 decks
7445 decks
Obosh, the Preypiercer
43.11% of 1893 decks
816 decks
Tor Wauki the Younger
39.19% of 3733 decks
1463 decks
Kaervek the Merciless
22.84% of 1169 decks
267 decks
Mogis, God of Slaughter
20.94% of 3166 decks
663 decks
New Cards (5)
Struggle for Project Purity
71% of 228 decks
+66% synergy
Undercity Sewers
40% of 409 decks
+34% synergy
Thundering Falls
39% of 410 decks
+35% synergy
Raucous Theater
37% of 1132 decks
+32% synergy
Molten Duplication
32% of 159 decks
+29% synergy
High Synergy Cards (10)
Windfall
86% of 8481 decks
+80% synergy
Jace's Archivist
77% of 8475 decks
+76% synergy
Whispering Madness
71% of 8472 decks
+70% synergy
Underworld Dreams
67% of 17197 decks
+66% synergy
Orcish Bowmasters
71% of 8524 decks
+64% synergy
Fevered Visions
58% of 8430 decks
+58% synergy
Wheel and Deal
58% of 8481 decks
+57% synergy
Kami of the Crescent Moon
55% of 8481 decks
+54% synergy
Fate Unraveler
55% of 17185 decks
+54% synergy
Arcane Denial
63% of 8481 decks
+54% synergy
Top Cards (10)
Counterspell
57% of 8481 decks
+36% synergy
Ghyrson Starn, Kelermorph
53% of 6083 decks
+53% synergy
Phyrexian Tyranny
50% of 8448 decks
+50% synergy
Blasphemous Act
50% of 17132 decks
+33% synergy
Dark Ritual
49% of 17197 decks
+38% synergy
Cyclonic Rift
49% of 8473 decks
+35% synergy
Forced Fruition
47% of 8481 decks
+46% synergy
Ojer Axonil, Deepest Might
46% of 2954 decks
+44% synergy
Dictate of Kruphix
45% of 8471 decks
+44% synergy
Chaos Warp
45% of 17132 decks
+29% synergy
Creatures (50)
Faerie Mastermind
45% of 4639 decks
+41% synergy
The Locust God
43% of 8409 decks
+42% synergy
Sheoldred, the Apocalypse
41% of 14335 decks
+38% synergy
Esper Sentinel
39% of 422 decks
+29% synergy
Magus of the Wheel
37% of 17120 decks
+35% synergy
Ignoble Hierarch
36% of 504 decks
+34% synergy
Birds of Paradise
34% of 531 decks
+22% synergy
Whirlpool Warrior
34% of 8449 decks
+34% synergy
Solphim, Mayhem Dominus
34% of 11427 decks
+31% synergy
Kambal, Consul of Allocation
33% of 434 decks
+32% synergy
Psychosis Crawler
32% of 17191 decks
+30% synergy
Stormfist Crusader
32% of 17019 decks
+31% synergy
Kambal, Profiteering Mayor
30% of 10 decks
+27% synergy
Nightscape Familiar
29% of 17197 decks
+28% synergy
Dockside Extortionist
29% of 17023 decks
+21% synergy
Kess, Dissident Mage
28% of 8401 decks
+28% synergy
Xyris, the Writhing Storm
28% of 273 decks
+28% synergy
Kessig Flamebreather
26% of 16249 decks
+24% synergy
Prosper, Tome-Bound
25% of 16548 decks
+24% synergy
Birgi, God of Storytelling
24% of 16736 decks
+21% synergy
Firebrand Archer
24% of 17097 decks
+22% synergy
Kydele, Chosen of Kruphix
24% of 280 decks
+24% synergy
Niv-Mizzet, the Firemind
23% of 8449 decks
+22% synergy
Urabrask
22% of 10076 decks
+20% synergy
Queza, Augur of Agonies
22% of 153 decks
+21% synergy
Dauthi Voidwalker
21% of 16662 decks
+16% synergy
Mayhem Devil
21% of 17040 decks
+19% synergy
Harmonic Prodigy
21% of 16660 decks
+19% synergy
Tergrid, God of Fright
20% of 16840 decks
+19% synergy
Gisela, Blade of Goldnight
19% of 427 decks
+18% synergy
Averna, the Chaos Bloom
18% of 272 decks
+18% synergy
Creeping Bloodsucker
18% of 12023 decks
+17% synergy
Tinybones, the Pickpocket
18% of 115 decks
+11% synergy
Master of the Feast
18% of 17184 decks
+18% synergy
Niv-Mizzet, Parun
18% of 8382 decks
+16% synergy
Torbran, Thane of Red Fell
18% of 17022 decks
+16% synergy
Nelly Borca, Impulsive Accuser
17% of 53 decks
+16% synergy
Delney, Streetwise Lookout
16% of 61 decks
+13% synergy
Sakura-Tribe Elder
16% of 531 decks
+7% synergy
Thermo-Alchemist
16% of 17112 decks
+14% synergy
Bloodletter of Aclazotz
16% of 2961 decks
+11% synergy
Pain Distributor
16% of 9858 decks
+15% synergy
Kynaios and Tiro of Meletis
16% of 96 decks
+16% synergy
Mother of Runes
15% of 437 decks
+12% synergy
Delighted Halfling
15% of 209 decks
+8% synergy
Seizan, Perverter of Truth
15% of 17197 decks
+15% synergy
Unruly Catapult
15% of 4024 decks
+14% synergy
Loran of the Third Path
15% of 274 decks
+11% synergy
Selvala, Explorer Returned
15% of 108 decks
+14% synergy
Opposition Agent
15% of 16919 decks
+11% synergy
Instants (50)
Swords to Plowshares
44% of 437 decks
+16% synergy
Path to Exile
39% of 437 decks
+19% synergy
Terminate
36% of 17139 decks
+31% synergy
Anguished Unmaking
32% of 435 decks
+27% synergy
Assassin's Trophy
32% of 523 decks
+26% synergy
Deflecting Swat
32% of 16944 decks
+24% synergy
Mystical Tutor
31% of 8481 decks
+23% synergy
Beast Within
31% of 527 decks
+12% synergy
Vampiric Tutor
31% of 17197 decks
+21% synergy
Rakdos Charm
30% of 17128 decks
+27% synergy
Fierce Guardianship
29% of 8303 decks
+20% synergy
Dream Fracture
27% of 8481 decks
+26% synergy
Negate
27% of 8481 decks
+15% synergy
Mana Drain
25% of 8481 decks
+18% synergy
Lightning Bolt
25% of 17141 decks
+20% synergy
Bedevil
25% of 17057 decks
+21% synergy
Generous Gift
23% of 434 decks
+11% synergy
Deadly Rollick
22% of 16999 decks
+16% synergy
Brainstorm
21% of 8481 decks
+10% synergy
Swan Song
21% of 8473 decks
+13% synergy
Crackling Doom
21% of 427 decks
+20% synergy
Baleful Mastery
20% of 16769 decks
+18% synergy
An Offer You Can't Refuse
19% of 7660 decks
+9% synergy
Abrade
19% of 17097 decks
+13% synergy
Vision Skeins
18% of 8481 decks
+18% synergy
Teferi's Protection
18% of 434 decks
+8% synergy
Enlightened Tutor
17% of 437 decks
+9% synergy
Red Elemental Blast
16% of 17141 decks
+12% synergy
Force of Will
16% of 8481 decks
+10% synergy
Pyroblast
15% of 17141 decks
+12% synergy
Cabal Ritual
15% of 17197 decks
+12% synergy
Tibalt's Trickery
15% of 16751 decks
+12% synergy
Heroic Intervention
15% of 524 decks
+1% synergy
Delayed Blast Fireball
14% of 15140 decks
+12% synergy
Force of Negation
14% of 8383 decks
+9% synergy
Stroke of Midnight
13% of 131 decks
+6% synergy
Seething Song
12% of 17141 decks
+9% synergy
Fire Covenant
12% of 17139 decks
+11% synergy
Malakir Rebirth
12% of 16934 decks
+8% synergy
Valakut Awakening
12% of 16886 decks
+9% synergy
Putrefy
12% of 531 decks
+9% synergy
Bolt Bend
12% of 17043 decks
+10% synergy
Cerebral Vortex
12% of 8449 decks
+12% synergy
Gut Shot
12% of 17133 decks
+11% synergy
Nature's Claim
12% of 527 decks
+6% synergy
Thrill of Possibility
11% of 17009 decks
+5% synergy
Evacuation
10% of 8481 decks
+10% synergy
Legolas's Quick Reflexes
10% of 67 decks
+8% synergy
Dovin's Veto
10% of 163 decks
+6% synergy
Flick a Coin
10% of 4222 decks
+9% synergy
Sorceries (50)
Echo of Eons
44% of 8388 decks
+43% synergy
Jeska's Will
41% of 16841 decks
+33% synergy
Farseek
38% of 531 decks
+23% synergy
Dark Deal
36% of 17179 decks
+35% synergy
Molten Psyche
36% of 17133 decks
+36% synergy
Prosperity
34% of 8481 decks
+33% synergy
Demonic Tutor
34% of 17197 decks
+21% synergy
Nature's Lore
34% of 531 decks
+19% synergy
Winds of Change
33% of 17141 decks
+32% synergy
Cultivate
33% of 527 decks
+10% synergy
Time Reversal
32% of 8475 decks
+32% synergy
Reforge the Soul
32% of 17132 decks
+31% synergy
Three Visits
31% of 531 decks
+19% synergy
Feed the Swarm
31% of 16930 decks
+21% synergy
Vandalblast
30% of 17130 decks
+22% synergy
Peer into the Abyss
30% of 16990 decks
+28% synergy
Ruinous Ultimatum
27% of 424 decks
+25% synergy
Kodama's Reach
26% of 531 decks
+11% synergy
Insatiable Avarice
26% of 115 decks
+22% synergy
Wheel of Fortune
25% of 17141 decks
+23% synergy
Rampant Growth
24% of 531 decks
+7% synergy
Grapeshot
24% of 17141 decks
+22% synergy
Toxic Deluge
23% of 17186 decks
+15% synergy
Wheel of Misfortune
20% of 16858 decks
+18% synergy
Tectonic Hazard
20% of 2954 decks
+18% synergy
End the Festivities
20% of 16215 decks
+19% synergy
Wheel of Fate
19% of 17141 decks
+19% synergy
Faithless Looting
19% of 17132 decks
+11% synergy
Incendiary Command
19% of 17141 decks
+19% synergy
Damn
19% of 421 decks
+15% synergy
Gamble
18% of 17141 decks
+13% synergy
Beseech the Mirror
16% of 4921 decks
+13% synergy
Mana Geyser
16% of 17141 decks
+12% synergy
Damnation
16% of 17197 decks
+11% synergy
Burning Inquiry
14% of 17134 decks
+14% synergy
Day's Undoing
14% of 8465 decks
+14% synergy
Reanimate
14% of 17197 decks
+7% synergy
Sign in Blood
13% of 17190 decks
+8% synergy
Rishkar's Expertise
13% of 524 decks
+8% synergy
Imperial Seal
12% of 17197 decks
+9% synergy
Bring to Light
12% of 281 decks
+12% synergy
Commit // Memory
12% of 8445 decks
+11% synergy
Night's Whisper
12% of 17197 decks
+7% synergy
Rite of Flame
11% of 17141 decks
+10% synergy
Farewell
11% of 402 decks
+5% synergy
Time Spiral
11% of 8481 decks
+11% synergy
Supreme Verdict
11% of 164 decks
+8% synergy
Prisoner's Dilemma
11% of 1133 decks
+9% synergy
Maelstrom Pulse
11% of 531 decks
+10% synergy
Sevinne's Reclamation
10% of 434 decks
+7% synergy
Utility Artifacts (27)
Lightning Greaves
42% of 17199 decks
+17% synergy
Teferi's Puzzle Box
37% of 17199 decks
+36% synergy
Howling Mine
33% of 17199 decks
+31% synergy
Swiftfoot Boots
32% of 17190 decks
+4% synergy
Font of Mythos
24% of 17199 decks
+23% synergy
Temple Bell
16% of 17191 decks
+15% synergy
Wayfarer's Bauble
16% of 17199 decks
+5% synergy
Agatha's Soul Cauldron
15% of 4671 decks
+13% synergy
Library of Leng
14% of 17199 decks
+14% synergy
Sensei's Divining Top
13% of 17199 decks
+7% synergy
The One Ring
12% of 10470 decks
+3% synergy
Mindcrank
11% of 17191 decks
+9% synergy
Basilisk Collar
10% of 17191 decks
+7% synergy
Wishclaw Talisman
10% of 17078 decks
+7% synergy
Bolas's Citadel
10% of 17111 decks
+5% synergy
Venser's Journal
10% of 17191 decks
+9% synergy
Folio of Fancies
10% of 8374 decks
+9% synergy
Wedding Ring
8% of 411 decks
+8% synergy
Crawlspace
7% of 17199 decks
+6% synergy
Horn of Greed
7% of 17199 decks
+6% synergy
Mithril Coat
7% of 8601 decks
-0% synergy
Cryptolith Fragment
6% of 17170 decks
+6% synergy
Cloudstone Curio
6% of 17199 decks
+5% synergy
Grafted Exoskeleton
6% of 17191 decks
+4% synergy
Archaeomancer's Map
5% of 422 decks
+3% synergy
Sword of Wealth and Power
5% of 115 decks
-2% synergy
Memory Jar
5% of 17199 decks
+5% synergy
Enchantments (50)
Propaganda
44% of 8481 decks
+39% synergy
Smothering Tithe
44% of 434 decks
+32% synergy
Spiteful Visions
43% of 17139 decks
+42% synergy
Waste Not
33% of 17184 decks
+31% synergy
Liliana's Caress
32% of 17189 decks
+31% synergy
Megrim
30% of 17197 decks
+30% synergy
All Will Be One
30% of 11523 decks
+28% synergy
Rhystic Study
28% of 8481 decks
+14% synergy
Trouble in Pairs
26% of 53 decks
+21% synergy
Bloodchief Ascension
23% of 17189 decks
+21% synergy
Rites of Flourishing
22% of 531 decks
+21% synergy
Ghostly Prison
22% of 437 decks
+16% synergy
Underworld Breach
21% of 16968 decks
+18% synergy
Manabarbs
21% of 17141 decks
+20% synergy
Roiling Vortex
20% of 16882 decks
+20% synergy
Proft's Eidetic Memory
19% of 478 decks
+18% synergy
Burgeoning
19% of 531 decks
+17% synergy
Cindervines
18% of 519 decks
+18% synergy
Curiosity
18% of 8481 decks
+16% synergy
Sylvan Library
18% of 531 decks
+11% synergy
Authority of the Consuls
15% of 434 decks
+12% synergy
Blind Obedience
14% of 435 decks
+11% synergy
Mystic Remora
14% of 8481 decks
+5% synergy
Warleader's Call
13% of 53 decks
+9% synergy
Phyresis
12% of 17189 decks
+12% synergy
Land Tax
12% of 437 decks
+9% synergy
Overabundance
12% of 527 decks
+11% synergy
Shadow in the Warp
11% of 350 decks
+10% synergy
Ominous Seas
11% of 8308 decks
+10% synergy
Sigil of Sleep
11% of 8481 decks
+11% synergy
Phyrexian Arena
11% of 17197 decks
+3% synergy
Fiery Emancipation
10% of 16920 decks
+8% synergy
Pestilence
9% of 17197 decks
+9% synergy
Dictate of the Twin Gods
9% of 17128 decks
+8% synergy
Exploration
9% of 531 decks
+5% synergy
Helm of the Ghastlord
9% of 8480 decks
+9% synergy
Wizard Class
9% of 8007 decks
+7% synergy
Black Market Connections
9% of 15192 decks
+3% synergy
City on Fire
9% of 10292 decks
+6% synergy
Mechanized Warfare
9% of 12397 decks
+8% synergy
Descent into Avernus
9% of 15303 decks
+7% synergy
Sulfuric Vortex
9% of 17141 decks
+8% synergy
Sphere of Safety
9% of 435 decks
+6% synergy
Virtue of Courage
8% of 3790 decks
+7% synergy
Heartbeat of Spring
8% of 531 decks
+8% synergy
Keen Sense
8% of 531 decks
+8% synergy
Exquisite Blood
8% of 17188 decks
+6% synergy
Painful Quandary
8% of 17189 decks
+7% synergy
Teferi's Ageless Insight
8% of 8286 decks
+5% synergy
Rhythm of the Wild
8% of 519 decks
+3% synergy
Planeswalkers (7)
Ob Nixilis, the Hate-Twisted
33% of 17111 decks
+32% synergy
Jace Beleren
16% of 8481 decks
+16% synergy
Oko, Thief of Crowns
12% of 277 decks
+10% synergy
Teferi, Temporal Pilgrim
9% of 5504 decks
+8% synergy
Chandra, Awakened Inferno
6% of 17025 decks
+6% synergy
Narset, Parter of Veils
6% of 8392 decks
+3% synergy
Jace, Wielder of Mysteries
5% of 8404 decks
+3% synergy
Utility Lands (25)
Reliquary Tower
40% of 17199 decks
+12% synergy
Bojuka Bog
38% of 17189 decks
+22% synergy
Urborg, Tomb of Yawgmoth
26% of 17199 decks
+15% synergy
Geier Reach Sanitarium
25% of 17170 decks
+21% synergy
Ancient Tomb
22% of 17199 decks
+11% synergy
Mikokoro, Center of the Sea
18% of 17199 decks
+16% synergy
Boseiju, Who Endures
16% of 491 decks
+7% synergy
Shivan Gorge
15% of 17141 decks
+14% synergy
Otawara, Soaring City
15% of 7753 decks
+6% synergy
Takenuma, Abandoned Mire
12% of 16178 decks
+6% synergy
Urza's Saga
11% of 16626 decks
+4% synergy
Cabal Coffers
11% of 17197 decks
+5% synergy
Mystic Sanctuary
10% of 8361 decks
+3% synergy
Temple of the False God
9% of 17199 decks
-1% synergy
Eiganjo, Seat of the Empire
8% of 405 decks
+4% synergy
Command Beacon
7% of 17178 decks
+2% synergy
Leechridden Swamp
7% of 17197 decks
+7% synergy
Sokenzan, Crucible of Defiance
7% of 16177 decks
+4% synergy
Vault of the Archangel
7% of 435 decks
+5% synergy
Spinerock Knoll
7% of 17141 decks
+4% synergy
Hall of Heliod's Generosity
7% of 434 decks
+4% synergy
Kessig Wolf Run
7% of 523 decks
+3% synergy
Sunscorched Desert
6% of 17159 decks
+6% synergy
Rogue's Passage
6% of 17188 decks
-12% synergy
Emergence Zone
6% of 17113 decks
+3% synergy
Mana Artifacts (41)
Sol Ring
94% of 17199 decks
+9% synergy
Arcane Signet
85% of 17066 decks
+14% synergy
Rakdos Signet
52% of 17139 decks
+45% synergy
Dimir Signet
49% of 8480 decks
+41% synergy
Izzet Signet
48% of 8449 decks
+41% synergy
Talisman of Indulgence
47% of 17139 decks
+42% synergy
Talisman of Creativity
42% of 8351 decks
+36% synergy
Talisman of Dominance
39% of 8480 decks
+32% synergy
Fellwar Stone
37% of 17199 decks
+16% synergy
Thought Vessel
31% of 17178 decks
+15% synergy
Simic Signet
26% of 283 decks
+23% synergy
Orzhov Signet
25% of 437 decks
+18% synergy
Talisman of Hierarchy
24% of 434 decks
+19% synergy
Talisman of Conviction
22% of 426 decks
+17% synergy
Mana Crypt
22% of 17199 decks
+11% synergy
Boros Signet
21% of 429 decks
+16% synergy
Jeweled Lotus
20% of 16898 decks
+12% synergy
Mind Stone
19% of 17199 decks
+1% synergy
Golgari Signet
18% of 531 decks
+15% synergy
Gruul Signet
17% of 527 decks
+14% synergy
Commander's Sphere
17% of 17183 decks
+0% synergy
Chromatic Lantern
16% of 17188 decks
+6% synergy
Chrome Mox
15% of 17199 decks
+9% synergy
Relic of Sauron
15% of 3946 decks
+14% synergy
Lotus Petal
15% of 17199 decks
+8% synergy
Mana Vault
15% of 17199 decks
+8% synergy
Decanter of Endless Water
13% of 15194 decks
+8% synergy
Talisman of Progress
13% of 166 decks
+8% synergy
Mox Opal
11% of 17191 decks
+7% synergy
Mox Diamond
10% of 17199 decks
+6% synergy
Azorius Signet
8% of 166 decks
+2% synergy
Obelisk of Grixis
8% of 8448 decks
+8% synergy
Mox Amber
8% of 17140 decks
+4% synergy
Lion's Eye Diamond
7% of 17199 decks
+6% synergy
Talisman of Resilience
6% of 523 decks
+4% synergy
Timeless Lotus
6% of 71 decks
+5% synergy
Cursed Mirror
6% of 16714 decks
+3% synergy
Savai Crystal
5% of 424 decks
+5% synergy
Gilded Lotus
5% of 17199 decks
+2% synergy
Fire Diamond
5% of 17141 decks
+2% synergy
Talisman of Impulse
5% of 527 decks
+4% synergy
Lands (50)
Command Tower
91% of 17190 decks
+18% synergy
Xander's Lounge
62% of 7630 decks
+58% synergy
Blood Crypt
61% of 17139 decks
+52% synergy
Watery Grave
61% of 8480 decks
+50% synergy
Steam Vents
60% of 8449 decks
+51% synergy
Crumbling Necropolis
57% of 8448 decks
+53% synergy
Luxury Suite
53% of 17077 decks
+47% synergy
Dragonskull Summit
52% of 17132 decks
+46% synergy
Breeding Pool
52% of 283 decks
+42% synergy
Godless Shrine
50% of 437 decks
+40% synergy
Sulfur Falls
49% of 8443 decks
+43% synergy
Ziatora's Proving Ground
49% of 477 decks
+46% synergy
Drowned Catacomb
49% of 8474 decks
+43% synergy
Training Center
48% of 8197 decks
+42% synergy
Overgrown Tomb
48% of 531 decks
+38% synergy
Stomping Ground
48% of 527 decks
+38% synergy
Savai Triome
47% of 424 decks
+44% synergy
Sacred Foundry
47% of 429 decks
+38% synergy
Morphic Pool
44% of 8425 decks
+37% synergy
Exotic Orchard
43% of 17199 decks
+8% synergy
Ketria Triome
42% of 273 decks
+38% synergy
Bloodstained Mire
41% of 17199 decks
+31% synergy
Hallowed Fountain
40% of 166 decks
+31% synergy
Zagoth Triome
40% of 275 decks
+36% synergy
Smoldering Marsh
39% of 17119 decks
+32% synergy
Sulfurous Springs
37% of 17139 decks
+33% synergy
Spectator Seating
36% of 422 decks
+31% synergy
Raffine's Tower
36% of 152 decks
+32% synergy
Raugrin Triome
36% of 156 decks
+33% synergy
Shipwreck Marsh
35% of 7983 decks
+30% synergy
Vault of Champions
35% of 430 decks
+29% synergy
Nomad Outpost
34% of 427 decks
+31% synergy
Mount Doom
32% of 10441 decks
+30% synergy
Spara's Headquarters
31% of 89 decks
+27% synergy
Haunted Ridge
31% of 16505 decks
+27% synergy
Scalding Tarn
30% of 17191 decks
+19% synergy
Temple Garden
29% of 110 decks
+20% synergy
Savage Lands
29% of 527 decks
+27% synergy
Jetmir's Garden
29% of 100 decks
+25% synergy
Jagged Barrens
29% of 114 decks
+27% synergy
Stormcarved Coast
29% of 7850 decks
+25% synergy
Polluted Delta
28% of 17199 decks
+18% synergy
Undergrowth Stadium
28% of 516 decks
+22% synergy
Shivan Reef
28% of 8449 decks
+22% synergy
Blightstep Pathway
27% of 16798 decks
+25% synergy
Sunken Hollow
27% of 8464 decks
+18% synergy
Isolated Chapel
26% of 435 decks
+20% synergy
Caves of Koilos
26% of 437 decks
+20% synergy
Indatha Triome
25% of 106 decks
+22% synergy
Rejuvenating Springs
25% of 273 decks
+18% synergy