Zendikar's Roil (Card)
Zendikar's Roil
In 63075 decks
3% of 2320614 decks
Omnath, Locus of Creation
39.99% of 13647 decks
5458 decks
Omnath, Locus of Rage
55.51% of 7102 decks
3942 decks
Zimone and Dina
49.67% of 7161 decks
3557 decks
Yarok, the Desecrated
32.88% of 10436 decks
3431 decks
Aesi, Tyrant of Gyre Strait
27.31% of 10545 decks
2880 decks
Sméagol, Helpful Guide
43.37% of 5790 decks
2511 decks
Tatyova, Benthic Druid
34.30% of 5887 decks
2019 decks
Omnath, Locus of the Roil
68.39% of 2882 decks
1971 decks
Thalia and The Gitrog Monster
15.28% of 12840 decks
1962 decks
Obuun, Mul Daya Ancestor
46.15% of 3567 decks
1646 decks
Lord Windgrace
17.71% of 9143 decks
1619 decks
Azusa, Lost but Seeking
29.00% of 4334 decks
1257 decks
Karametra, God of Harvests
25.96% of 4649 decks
1207 decks
The Necrobloom
11.60% of 10140 decks
1176 decks
Nadu, Winged Wisdom
19.73% of 5896 decks
1163 decks
Yedora, Grave Gardener
36.27% of 2925 decks
1061 decks
Galadriel of Lothlórien
28.23% of 3596 decks
1015 decks
The Gitrog, Ravenous Ride
19.60% of 4581 decks
898 decks
New Cards
Starlight Snare
78% of 9 decks
+70% synergy
Loot, Exuberant Explorer
69% of 1661 decks
+42% synergy
Mossborn Hydra
59% of 2775 decks
+48% synergy
Quick-Draw Katana
53% of 19 decks
+18% synergy
Treetop Snarespinner
43% of 67 decks
+9% synergy
High Synergy Cards
Rampaging Baloths
76% of 63075 decks
+69% synergy
Felidar Retreat
74% of 16739 decks
+67% synergy
Tatyova, Benthic Druid
75% of 32066 decks
+63% synergy
Omnath, Locus of Rage
66% of 23449 decks
+62% synergy
Scute Swarm
69% of 62603 decks
+59% synergy
Avenger of Zendikar
67% of 63075 decks
+58% synergy
Mina and Denn, Wildborn
61% of 23442 decks
+56% synergy
Lotus Cobra
60% of 63075 decks
+52% synergy
Emeria Angel
51% of 16797 decks
+49% synergy
Retreat to Coralhelm
51% of 32073 decks
+49% synergy
Top Cards
Cultivate
65% of 63075 decks
+19% synergy
Tireless Provisioner
60% of 61505 decks
+49% synergy
Growth Spiral
57% of 32033 decks
+36% synergy
Swords to Plowshares
56% of 16797 decks
-7% synergy
Kodama's Reach
53% of 63075 decks
+22% synergy
Beast Within
53% of 63075 decks
+14% synergy
Counterspell
52% of 32074 decks
+9% synergy
Rampant Growth
51% of 63075 decks
+16% synergy
Iridescent Vinelasher
50% of 3185 decks
+47% synergy
Retreat to Hagra
50% of 21438 decks
+48% synergy
Creatures
Omnath, Locus of the Roil
47% of 11481 decks
+44% synergy
Azusa, Lost but Seeking
45% of 63075 decks
+38% synergy
Ancient Greenwarden
43% of 62603 decks
+39% synergy
Cackling Prowler
42% of 26 decks
+20% synergy
Ramunap Excavator
42% of 63014 decks
+35% synergy
Springheart Nantuko
40% of 15623 decks
+33% synergy
Sakura-Tribe Elder
39% of 63075 decks
+21% synergy
Ob Nixilis, the Fallen
39% of 21439 decks
+38% synergy
Phylath, World Sculptor
39% of 23223 decks
+37% synergy
Dazzling Angel
38% of 21 decks
+0% synergy
Emeria Shepherd
38% of 16795 decks
+35% synergy
Aesi, Tyrant of Gyre Strait
36% of 31696 decks
+30% synergy
Eternal Witness
36% of 63075 decks
+15% synergy
Infestation Sage
35% of 37 decks
+12% synergy
Apothecary Stomper
34% of 67 decks
+20% synergy
Moraug, Fury of Akoum
34% of 23223 decks
+31% synergy
Risen Reef
33% of 32009 decks
+30% synergy
Oracle of Mul Daya
32% of 63075 decks
+26% synergy
Roil Elemental
31% of 32074 decks
+30% synergy
Tireless Tracker
30% of 63053 decks
+25% synergy
Jegantha, the Wellspring
30% of 1602 decks
+24% synergy
Skyship Buccaneer
30% of 10 decks
+20% synergy
Muldrotha, the Gravetide
30% of 10795 decks
+24% synergy
Maja, Bretagard Protector
29% of 16354 decks
+26% synergy
Springbloom Druid
29% of 62869 decks
+25% synergy
Courser of Kruphix
29% of 63075 decks
+25% synergy
The Gitrog Monster
28% of 21438 decks
+23% synergy
Coiling Oracle
28% of 32074 decks
+21% synergy
Elfsworn Giant
28% of 1661 decks
+22% synergy
Soul of Windgrace
28% of 3728 decks
+26% synergy
Dryad of the Ilysian Grove
28% of 62733 decks
+20% synergy
Titania, Protector of Argoth
26% of 63075 decks
+23% synergy
Omnath, Locus of All
26% of 1184 decks
+23% synergy
Geode Rager
26% of 23223 decks
+25% synergy
The Necrobloom
26% of 1692 decks
+22% synergy
Baleful Strix
25% of 10800 decks
+12% synergy
Wight of the Reliquary
25% of 5971 decks
+16% synergy
Greensleeves, Maro-Sorcerer
25% of 58157 decks
+23% synergy
Murasa Rootgrazer
24% of 16739 decks
+23% synergy
Multani, Yavimaya's Avatar
24% of 62989 decks
+22% synergy
Ashaya, Soul of the Wild
23% of 62603 decks
+20% synergy
Thalia and The Gitrog Monster
23% of 4351 decks
+19% synergy
Sporemound
22% of 63075 decks
+21% synergy
Bristly Bill, Spine Sower
22% of 20994 decks
+17% synergy
Elesh Norn, Mother of Machines
21% of 13645 decks
+16% synergy
Maelstrom Wanderer
21% of 11497 decks
+14% synergy
Reclamation Sage
20% of 63075 decks
+10% synergy
Hugs, Grisly Guardian
20% of 3630 decks
+16% synergy
Horde of Notions
20% of 1614 decks
+19% synergy
Meloku the Clouded Mirror
20% of 32074 decks
+19% synergy
Instants
Harrow
49% of 63075 decks
+39% synergy
Path to Exile
45% of 16797 decks
-0% synergy
Entish Restoration
39% of 40762 decks
+31% synergy
Assassin's Trophy
38% of 21413 decks
+7% synergy
Crop Rotation
37% of 63075 decks
+27% synergy
Roiling Regrowth
31% of 62603 decks
+28% synergy
Negate
30% of 32074 decks
+8% synergy
Heroic Intervention
28% of 63028 decks
-2% synergy
Chaos Warp
25% of 23452 decks
-7% synergy
Generous Gift
24% of 16768 decks
-1% synergy
Cyclonic Rift
24% of 32074 decks
-3% synergy
Putrefy
21% of 21439 decks
+5% synergy
Anguished Unmaking
21% of 5097 decks
-4% synergy
Arcane Denial
20% of 32074 decks
+0% synergy
Void Rend
19% of 1605 decks
+4% synergy
Planar Genesis
18% of 8365 decks
+11% synergy
Naya Charm
18% of 10367 decks
+11% synergy
Return of the Wildspeaker
17% of 62786 decks
+3% synergy
Eureka Moment
16% of 31348 decks
+12% synergy
Go Forth
15% of 135 decks
+7% synergy
Ghostly Flicker
13% of 32074 decks
+8% synergy
Teferi's Protection
13% of 16790 decks
-7% synergy
Terminate
13% of 4042 decks
-8% synergy
An Offer You Can't Refuse
13% of 30203 decks
-8% synergy
Pongify
12% of 32074 decks
+1% synergy
Krosan Grip
12% of 63075 decks
+5% synergy
Revitalizing Repast
12% of 5620 decks
+0% synergy
Despark
12% of 5093 decks
-4% synergy
Nature's Claim
11% of 63075 decks
+2% synergy
Joint Exploration
11% of 29333 decks
+8% synergy
Tear Asunder
11% of 20378 decks
+5% synergy
Sultai Charm
11% of 10800 decks
+6% synergy
Village Rites
11% of 21305 decks
+1% synergy
Archdruid's Charm
11% of 25918 decks
+4% synergy
Corrupted Conviction
11% of 16230 decks
+5% synergy
Dovin's Veto
10% of 7954 decks
-9% synergy
Dawn's Truce
10% of 2257 decks
-6% synergy
Brainstorm
10% of 32074 decks
-11% synergy
Eladamri's Call
10% of 16797 decks
-1% synergy
Worldly Tutor
10% of 63075 decks
-4% synergy
Return to Nature
10% of 62893 decks
+3% synergy
Stroke of Midnight
9% of 8952 decks
-3% synergy
Rapid Hybridization
9% of 32074 decks
-0% synergy
Fierce Guardianship
9% of 31910 decks
-9% synergy
Nasty End
9% of 14585 decks
+6% synergy
Vampiric Tutor
9% of 21439 decks
-9% synergy
Sylvan Reclamation
9% of 16791 decks
+8% synergy
Deathsprout
9% of 21412 decks
+5% synergy
Abzan Charm
9% of 5098 decks
+4% synergy
Reality Shift
9% of 32074 decks
-0% synergy
Sorceries
Nature's Lore
39% of 63075 decks
+7% synergy
Farseek
36% of 63075 decks
+2% synergy
Explore
33% of 63075 decks
+24% synergy
Villainous Wealth
32% of 10800 decks
+24% synergy
Worldsoul's Rage
30% of 8437 decks
+27% synergy
Blasphemous Act
30% of 23452 decks
-4% synergy
Three Visits
28% of 63075 decks
+3% synergy
Eerie Ultimatum
26% of 5086 decks
+14% synergy
Splendid Reclamation
25% of 63041 decks
+21% synergy
Awaken the Woods
21% of 56192 decks
+17% synergy
Blasphemous Edict
21% of 535 decks
-14% synergy
Felling Blow
19% of 135 decks
+5% synergy
Ruinous Ultimatum
19% of 1613 decks
+0% synergy
Urban Evolution
19% of 32074 decks
+14% synergy
Scapeshift
18% of 63075 decks
+16% synergy
Harmonize
17% of 63075 decks
+8% synergy
Rise of the Witch-king
17% of 13738 decks
+10% synergy
Sam's Desperate Rescue
17% of 13239 decks
+15% synergy
Skyshroud Claim
16% of 63075 decks
+7% synergy
Toxic Deluge
16% of 21439 decks
-1% synergy
Genesis Ultimatum
16% of 11445 decks
+10% synergy
Claim the Precious
16% of 13517 decks
+15% synergy
Austere Command
15% of 16797 decks
+2% synergy
Lavalanche
14% of 4042 decks
+12% synergy
Damn
14% of 5061 decks
-2% synergy
Broken Bond
14% of 62989 decks
+12% synergy
Decimate
14% of 23452 decks
+5% synergy
Demonic Tutor
13% of 21439 decks
-9% synergy
Rebuild the City
13% of 2477 decks
+12% synergy
Hour of Revelation
12% of 16790 decks
+11% synergy
Torment of Hailfire
12% of 21434 decks
+7% synergy
Escape to the Wilds
12% of 23302 decks
+8% synergy
Bala Ged Recovery
12% of 62603 decks
+3% synergy
Farewell
12% of 15833 decks
-1% synergy
Shamanic Revelation
12% of 63075 decks
+2% synergy
Nahiri's Lithoforming
11% of 23223 decks
+11% synergy
Sylvan Awakening
11% of 62989 decks
+10% synergy
Planar Outburst
10% of 16795 decks
+10% synergy
Victimize
10% of 21439 decks
-1% synergy
Ground Assault
10% of 23452 decks
+10% synergy
In Garruk's Wake
10% of 21439 decks
+6% synergy
Sylvan Scrying
10% of 63075 decks
+7% synergy
Doppelgang
10% of 12961 decks
+6% synergy
Reanimate
9% of 21439 decks
-6% synergy
Culling Ritual
9% of 21161 decks
-2% synergy
Exsanguinate
9% of 21439 decks
+3% synergy
Explosive Vegetation
9% of 63075 decks
+6% synergy
Life from the Loam
9% of 63075 decks
+5% synergy
Supreme Verdict
8% of 7963 decks
-6% synergy
Damnation
8% of 21439 decks
+0% synergy
Utility Artifacts
Conduit of Worlds
40% of 52268 decks
+33% synergy
Swiftfoot Boots
25% of 63075 decks
-2% synergy
Crucible of Worlds
25% of 63075 decks
+23% synergy
Lightning Greaves
19% of 63075 decks
-6% synergy
Zuran Orb
15% of 63075 decks
+14% synergy
Blackblade Reforged
14% of 62989 decks
+10% synergy
Seer's Sundial
14% of 63075 decks
+13% synergy
Ravenous Amulet
12% of 104 decks
+3% synergy
Hedge Shredder
10% of 5137 decks
+4% synergy
Fist of Suns
8% of 1614 decks
+1% synergy
Amulet of Vigor
8% of 63075 decks
+7% synergy
Staff of Titania
7% of 56192 decks
+7% synergy
Horn of Greed
7% of 63075 decks
+6% synergy
Skullclamp
6% of 63075 decks
-6% synergy
Panharmonicon
6% of 63034 decks
+2% synergy
Ashnod's Altar
6% of 63075 decks
-2% synergy
Heaped Harvest
6% of 6858 decks
+2% synergy
Expedition Map
6% of 63075 decks
+2% synergy
The Great Henge
5% of 62786 decks
-4% synergy
Enchantments
Leyline of the Guildpact
42% of 505 decks
+19% synergy
Walk-In Closet // Forgotten Cellar
38% of 3642 decks
+23% synergy
Leyline of Mutation
35% of 84 decks
+18% synergy
Exploration
33% of 63075 decks
+25% synergy
Valakut Exploration
33% of 23223 decks
+31% synergy
Retreat to Emeria
32% of 16795 decks
+32% synergy
Druid Class
31% of 61095 decks
+28% synergy
Spelunking
30% of 30984 decks
+24% synergy
Maelstrom Nexus
27% of 1614 decks
+19% synergy
Khalni Heart Expedition
25% of 63075 decks
+23% synergy
Case of the Locked Hothouse
25% of 25108 decks
+20% synergy
Retreat to Kazandu
25% of 63070 decks
+23% synergy
Annie Joins Up
21% of 2973 decks
+2% synergy
Temur Ascendancy
18% of 11497 decks
+4% synergy
Rhystic Study
18% of 32074 decks
-10% synergy
Call of the Ring
17% of 14666 decks
+13% synergy
Garruk's Uprising
17% of 62639 decks
+1% synergy
Warstorm Surge
16% of 23452 decks
+10% synergy
Virtue of Knowledge
15% of 17616 decks
+12% synergy
Moldervine Reclamation
14% of 21402 decks
+5% synergy
Abundance
14% of 63075 decks
+12% synergy
Burgeoning
14% of 63075 decks
+10% synergy
Mirari's Wake
13% of 16797 decks
-1% synergy
Caretaker's Talent
11% of 1704 decks
-1% synergy
One Ring to Rule Them All
11% of 14585 decks
+9% synergy
Phyrexian Arena
10% of 21439 decks
-5% synergy
The Mending of Dominaria
10% of 62989 decks
+8% synergy
Tribute to the World Tree
10% of 46627 decks
+1% synergy
Rhythm of the Wild
10% of 23363 decks
-14% synergy
Insidious Roots
9% of 7961 decks
+1% synergy
Aura Shards
9% of 16797 decks
+0% synergy
Where Ancients Tread
9% of 23452 decks
+8% synergy
Song of Creation
9% of 11445 decks
+6% synergy
Kenrith's Transformation
8% of 62786 decks
+2% synergy
Rites of Flourishing
8% of 63075 decks
+6% synergy
Undergrowth Recon
8% of 25918 decks
+7% synergy
Sylvan Library
8% of 63075 decks
-3% synergy
Mystic Remora
8% of 32074 decks
-10% synergy
Elemental Bond
8% of 63075 decks
+3% synergy
Impact Tremors
8% of 23452 decks
-2% synergy
Quest for the Necropolis
8% of 4840 decks
+7% synergy
Virtue of Strength
8% of 33400 decks
+5% synergy
Dazzling Theater // Prop Room
8% of 953 decks
-13% synergy
Curse of the Restless Dead
7% of 20986 decks
+6% synergy
Roaring Earth
7% of 60170 decks
+6% synergy
Primeval Bounty
7% of 63075 decks
+6% synergy
Trade Routes
7% of 32074 decks
+7% synergy
Goblin Bombardment
7% of 23452 decks
+1% synergy
Guardian Project
6% of 62913 decks
-2% synergy
Bastion of Remembrance
6% of 21330 decks
+0% synergy
Battles
Invasion of Zendikar
8% of 45261 decks
+6% synergy
Invasion of Alara
5% of 1054 decks
+2% synergy
Planeswalkers
Nissa of Shadowed Boughs
27% of 21300 decks
+25% synergy
Nissa, Who Shakes the World
13% of 62893 decks
+11% synergy
Wrenn and Seven
11% of 60791 decks
+9% synergy
Lord Windgrace
11% of 4037 decks
+10% synergy
Tyvar, Jubilant Brawler
10% of 18788 decks
+5% synergy
Nissa, Vital Force
9% of 63034 decks
+8% synergy
Wrenn and Realmbreaker
8% of 47003 decks
+6% synergy
Nissa, Ascended Animist
6% of 49666 decks
+4% synergy
Wrenn and Six
6% of 23344 decks
+4% synergy
Utility Lands
Bojuka Bog
42% of 21439 decks
+12% synergy
Reliquary Tower
37% of 63075 decks
+7% synergy
Field of the Dead
24% of 62853 decks
+21% synergy
Yavimaya, Cradle of Growth
24% of 61505 decks
+14% synergy
Boseiju, Who Endures
17% of 60170 decks
-3% synergy
Needle Spires
13% of 10365 decks
+11% synergy
Kessig Wolf Run
12% of 23452 decks
-4% synergy
Mystic Sanctuary
12% of 31970 decks
-0% synergy
Temple of the False God
12% of 63075 decks
+2% synergy
Shifting Woodland
11% of 16635 decks
+1% synergy
Argoth, Sanctum of Nature
11% of 56192 decks
+9% synergy
Rogue's Passage
10% of 63075 decks
-9% synergy
Otawara, Soaring City
10% of 30457 decks
-7% synergy
Guildless Commons
10% of 62144 decks
+8% synergy
Takenuma, Abandoned Mire
10% of 20871 decks
-1% synergy
Lotus Field
9% of 62853 decks
+8% synergy
Thespian's Stage
9% of 63075 decks
+6% synergy
Cabal Coffers
9% of 21439 decks
-2% synergy
Restless Vinestalk
9% of 16734 decks
+6% synergy
Strip Mine
8% of 63075 decks
+5% synergy
Barren Moor
8% of 21439 decks
+4% synergy
Mosswort Bridge
7% of 63075 decks
-3% synergy
Dryad Arbor
7% of 63075 decks
+3% synergy
Urborg, Tomb of Yawgmoth
7% of 63075 decks
-3% synergy
Tranquil Thicket
7% of 63075 decks
+3% synergy
Coral Atoll
6% of 32074 decks
+6% synergy
Arid Archway
6% of 21182 decks
+5% synergy
Oboro, Palace in the Clouds
6% of 32074 decks
+6% synergy
Ghost Town
6% of 63075 decks
+6% synergy
Ghost Quarter
6% of 63075 decks
+4% synergy
Valakut, the Molten Pinnacle
6% of 23452 decks
+4% synergy
Gavony Township
6% of 16797 decks
-4% synergy
Dakmor Salvage
6% of 21439 decks
+4% synergy
The Black Gate
6% of 13239 decks
+2% synergy
Jungle Basin
6% of 63075 decks
+5% synergy
Echoing Deeps
6% of 28858 decks
+5% synergy
Dark Depths
6% of 63075 decks
+5% synergy
Phyrexian Tower
6% of 21439 decks
-3% synergy
Restless Spire
6% of 5980 decks
+3% synergy
Rivendell
6% of 20597 decks
+0% synergy
Field of Ruin
5% of 63004 decks
+3% synergy
Lumbering Falls
5% of 32073 decks
+3% synergy
Barad-dûr
5% of 14585 decks
+2% synergy
Raging Ravine
5% of 23452 decks
+3% synergy
Alchemist's Refuge
5% of 32074 decks
-2% synergy
Mana Artifacts
Sol Ring
69% of 63075 decks
-15% synergy
Arcane Signet
45% of 62786 decks
-27% synergy
Timeless Lotus
18% of 1504 decks
+4% synergy
Simic Signet
12% of 32074 decks
-3% synergy
Thought Vessel
9% of 63064 decks
-7% synergy
Golgari Signet
9% of 21439 decks
-4% synergy
Gruul Signet
7% of 23452 decks
-5% synergy
Chromatic Lantern
6% of 63075 decks
-3% synergy
Dimir Signet
6% of 10800 decks
-24% synergy
Commander's Sphere
6% of 63075 decks
-10% synergy
Talisman of Resilience
5% of 21407 decks
-6% synergy
Inherited Envelope
5% of 37077 decks
+5% synergy
Lands
Command Tower
72% of 63075 decks
-2% synergy
Simic Growth Chamber
62% of 32074 decks
+42% synergy
Gruul Turf
58% of 23452 decks
+42% synergy
Evolving Wilds
56% of 63075 decks
+35% synergy
Deceptive Landscape
55% of 1463 decks
+42% synergy
Selesnya Sanctuary
52% of 16797 decks
+38% synergy
Golgari Rot Farm
51% of 21439 decks
+33% synergy
Terramorphic Expanse
50% of 63075 decks
+34% synergy
Bountiful Landscape
48% of 2769 decks
+33% synergy
Opulent Palace
47% of 10800 decks
+21% synergy
Dimir Aqueduct
47% of 10800 decks
+30% synergy
Zagoth Triome
42% of 10737 decks
+11% synergy
Ketria Triome
41% of 11445 decks
+9% synergy
Overgrown Tomb
41% of 21439 decks
-2% synergy
Foreboding Landscape
40% of 2130 decks
+27% synergy
Boros Garrison
40% of 10367 decks
+25% synergy
Cinder Glade
39% of 23449 decks
+1% synergy
Izzet Boilerworks
39% of 11497 decks
+23% synergy
Ziatora's Proving Ground
38% of 3845 decks
+7% synergy
Breeding Pool
38% of 32074 decks
-3% synergy
Myriad Landscape
38% of 63075 decks
+18% synergy
Tranquil Landscape
37% of 1568 decks
+21% synergy
Stomping Ground
37% of 23452 decks
-4% synergy
Twisted Landscape
36% of 705 decks
+16% synergy
Watery Grave
36% of 10800 decks
-5% synergy
Spara's Headquarters
35% of 7375 decks
+3% synergy
Jetmir's Garden
35% of 9462 decks
+2% synergy
Temple Garden
34% of 16797 decks
-6% synergy
Indatha Triome
34% of 5086 decks
+3% synergy
The World Tree
34% of 1590 decks
+0% synergy
Sheltering Landscape
34% of 1990 decks
+20% synergy
Hallowed Fountain
33% of 7963 decks
-7% synergy
Sandsteppe Citadel
33% of 5098 decks
+7% synergy
Steam Vents
33% of 11497 decks
-6% synergy
Canopy Vista
32% of 16795 decks
-4% synergy
Azorius Chancery
31% of 7963 decks
+16% synergy
Fabled Passage
31% of 62786 decks
+22% synergy
Orzhov Basilica
31% of 5098 decks
+15% synergy
Jungle Shrine
30% of 10367 decks
-2% synergy
Raugrin Triome
30% of 7244 decks
+4% synergy
Rakdos Carnarium
30% of 4042 decks
+15% synergy
Woodland Cemetery
30% of 21439 decks
+2% synergy
Hinterland Harbor
29% of 32074 decks
+2% synergy
Godless Shrine
28% of 5098 decks
-12% synergy
Perilous Landscape
28% of 1412 decks
+15% synergy
Savage Lands
27% of 4042 decks
+4% synergy
Blood Crypt
27% of 4042 decks
-12% synergy
Undergrowth Stadium
25% of 21247 decks
-1% synergy
Exotic Orchard
25% of 63075 decks
-10% synergy
Frontier Bivouac
25% of 11497 decks
-2% synergy