Chancellor of the Tangle (Card)
Chancellor of the Tangle
In 1670 decks
0% of 2614480 decks
Oct 11, 2024
Top 10 Leylines
Do you want to see a Leyline in your opening hand? Doug investigates the best of the bunch!
Jul 24, 2024
Rules Change To Precombat and Postcombat Main Phases
On July 23rd, Magic Rules Guru Matt Tabak confirmed this functional rules change through a series of explanatory tweets.
Top Commanders
Sméagol, Helpful Guide
1.69% of 6924 decks
117 decks
Esika, God of the Tree
0.41% of 19322 decks
79 decks
Kona, Rescue Beastie
1.38% of 4715 decks
65 decks
Slinza, the Spiked Stampede
2.47% of 2473 decks
61 decks
Go-Shintai of Life's Origin
0.36% of 15763 decks
56 decks
Vorinclex
2.42% of 1449 decks
35 decks
Raggadragga, Goreguts Boss
0.44% of 7301 decks
32 decks
Garth One-Eye
0.74% of 4335 decks
32 decks
Omnath, Locus of All
0.21% of 14706 decks
31 decks
Skullbriar, the Walking Grave
0.41% of 7129 decks
29 decks
Jodah, Archmage Eternal
0.36% of 8072 decks
29 decks
Reyhan, Last of the Abzan // Rograkh, Son of Rohgahh
4.47% of 604 decks
27 decks
Kenrith, the Returned King
0.10% of 23551 decks
24 decks
Hogaak, Arisen Necropolis
1.13% of 2044 decks
23 decks
Indominus Rex, Alpha
0.36% of 6038 decks
22 decks
Mayael the Anima
0.70% of 3161 decks
22 decks
Kinnan, Bonder Prodigy
0.15% of 13632 decks
21 decks
Marina Vendrell
0.28% of 7084 decks
20 decks
New Cards
Locust Spray
25% of 259 decks
+25% synergy
Molt Tender
23% of 454 decks
+22% synergy
Bleachbone Verge
4% of 85 decks
-3% synergy
Riverpyre Verge
3% of 88 decks
-2% synergy
Sunbillow Verge
3% of 88 decks
-2% synergy
High Synergy Cards
Chancellor of the Annex
70% of 598 decks
+70% synergy
Leyline of Mutation
72% of 226 decks
+66% synergy
Leyline of the Guildpact
77% of 354 decks
+61% synergy
Chancellor of the Spires
55% of 685 decks
+55% synergy
Leyline of Sanctity
54% of 598 decks
+54% synergy
Chancellor of the Dross
50% of 806 decks
+50% synergy
Leyline of Hope
50% of 348 decks
+49% synergy
Leyline of Anticipation
49% of 685 decks
+45% synergy
Chancellor of the Forge
45% of 831 decks
+45% synergy
Leyline of the Meek
44% of 598 decks
+44% synergy
Top Cards
Leyline of Transformation
44% of 326 decks
+43% synergy
Leyline of Singularity
43% of 685 decks
+42% synergy
Llanowar Elves
41% of 1670 decks
+21% synergy
Birds of Paradise
40% of 1670 decks
+13% synergy
Sphinx of Foresight
39% of 685 decks
+39% synergy
Leyline of the Void
39% of 806 decks
+38% synergy
Elvish Mystic
37% of 1670 decks
+20% synergy
Leyline of Combustion
37% of 831 decks
+37% synergy
Elvish Spirit Guide
36% of 1670 decks
+32% synergy
Leyline of Lightning
33% of 831 decks
+33% synergy
Game Changers
Chrome Mox
21% of 1670 decks
+15% synergy
Mana Vault
15% of 1670 decks
+9% synergy
Force of Will
15% of 685 decks
+4% synergy
Vorinclex, Voice of Hunger
12% of 1670 decks
+9% synergy
Serra's Sanctum
11% of 598 decks
+9% synergy
Imperial Seal
9% of 806 decks
+4% synergy
Jin-Gitaxias, Core Augur
8% of 685 decks
+5% synergy
Mox Diamond
7% of 1670 decks
+3% synergy
Lion's Eye Diamond
7% of 1670 decks
+5% synergy
Grim Monolith
6% of 1670 decks
+4% synergy
Creatures
Fyndhorn Elves
32% of 1670 decks
+19% synergy
Elves of Deep Shadow
31% of 806 decks
+21% synergy
Simian Spirit Guide
29% of 831 decks
+24% synergy
Ignoble Hierarch
28% of 500 decks
+3% synergy
Noble Hierarch
20% of 482 decks
+4% synergy
Faeburrow Elder
20% of 598 decks
+8% synergy
Accursed Marauder
19% of 546 decks
+14% synergy
Deathrite Shaman
18% of 806 decks
+6% synergy
Delighted Halfling
18% of 1620 decks
+6% synergy
Rampaging Baloths
17% of 1670 decks
+10% synergy
Blood Pet
17% of 806 decks
+16% synergy
Honest Rutstein
16% of 588 decks
+10% synergy
Tinder Wall
16% of 831 decks
+13% synergy
Viscera Seer
16% of 806 decks
+7% synergy
Disciple of Freyalise
15% of 1130 decks
+10% synergy
Valgavoth's Faithful
15% of 463 decks
+14% synergy
Gollum, Patient Plotter
14% of 804 decks
+13% synergy
Uruk-hai Berserker
13% of 773 decks
+13% synergy
Fear of Lost Teeth
13% of 467 decks
+13% synergy
Eternal Witness
13% of 1670 decks
-7% synergy
Avacyn's Pilgrim
13% of 598 decks
-1% synergy
Ornithopter
13% of 1670 decks
+11% synergy
Devourer of Destiny
13% of 1145 decks
+12% synergy
Sythis, Harvest's Hand
13% of 598 decks
+5% synergy
Plaguecrafter
13% of 806 decks
+8% synergy
Arbor Elf
12% of 1670 decks
+6% synergy
Beast Whisperer
12% of 1670 decks
+1% synergy
Ornithopter of Paradise
12% of 1670 decks
+8% synergy
Ragavan, Nimble Pilferer
12% of 831 decks
+5% synergy
Boggart Trawler
12% of 553 decks
+8% synergy
Greedy Freebooter
12% of 697 decks
+10% synergy
Zur, Eternal Schemer
11% of 462 decks
+9% synergy
Wild Cantor
11% of 831 decks
+11% synergy
Fleshbag Marauder
11% of 806 decks
+8% synergy
Mirkwood Bats
11% of 777 decks
+1% synergy
Elfsworn Giant
11% of 736 decks
+10% synergy
Bloom Tender
10% of 1670 decks
+3% synergy
Garruk's Packleader
10% of 1670 decks
+8% synergy
Reassembling Skeleton
10% of 806 decks
+7% synergy
Terastodon
10% of 1670 decks
+7% synergy
Craterhoof Behemoth
10% of 1670 decks
+4% synergy
Blackbloom Rogue
10% of 806 decks
+10% synergy
Woe Strider
10% of 806 decks
+8% synergy
Fanatic of Rhonas
10% of 1126 decks
+3% synergy
Manglehorn
10% of 1670 decks
+7% synergy
Jukai Naturalist
10% of 598 decks
+3% synergy
Zopandrel, Hunger Dominus
10% of 1670 decks
+6% synergy
Gruul Ragebeast
10% of 831 decks
+9% synergy
Balustrade Spy
9% of 806 decks
+9% synergy
Blightsoil Druid
9% of 806 decks
+9% synergy
Instants
Swords to Plowshares
29% of 598 decks
-34% synergy
Dark Ritual
27% of 806 decks
+4% synergy
Beast Within
26% of 1670 decks
-12% synergy
Path to Exile
23% of 598 decks
-24% synergy
Enlightened Tutor
19% of 598 decks
+2% synergy
Vampiric Tutor
19% of 806 decks
+1% synergy
Worldly Tutor
15% of 1670 decks
+1% synergy
Counterspell
14% of 685 decks
-28% synergy
Heroic Intervention
14% of 1670 decks
-16% synergy
Deflecting Swat
14% of 831 decks
-2% synergy
Noxious Revival
14% of 1670 decks
+8% synergy
Gollum's Bite
13% of 777 decks
+13% synergy
Fierce Guardianship
13% of 685 decks
-5% synergy
Revitalizing Repast
13% of 558 decks
+4% synergy
Village Rites
13% of 806 decks
+3% synergy
Deadly Rollick
13% of 806 decks
+1% synergy
Once Upon a Time
12% of 1670 decks
+11% synergy
Cabal Ritual
11% of 806 decks
+7% synergy
Brainstorm
11% of 685 decks
-9% synergy
Malakir Rebirth
11% of 806 decks
+3% synergy
Not Dead After All
11% of 742 decks
+8% synergy
Mystical Tutor
11% of 685 decks
-4% synergy
Culling the Weak
10% of 806 decks
+7% synergy
Assassin's Trophy
10% of 806 decks
-20% synergy
Fell the Profane
10% of 558 decks
+2% synergy
Force of Vigor
10% of 1670 decks
+7% synergy
Cyclonic Rift
10% of 685 decks
-17% synergy
Return of the Wildspeaker
10% of 1670 decks
-3% synergy
Force of Negation
10% of 685 decks
+1% synergy
Chaos Warp
10% of 831 decks
-22% synergy
Mental Misstep
10% of 685 decks
+4% synergy
Hagra Mauling
10% of 806 decks
+8% synergy
Teferi's Protection
10% of 598 decks
-10% synergy
Veil of Summer
9% of 1670 decks
+4% synergy
Nature's Claim
9% of 1670 decks
+1% synergy
Infernal Grasp
9% of 806 decks
+2% synergy
Manamorphose
9% of 831 decks
+6% synergy
Crop Rotation
9% of 1670 decks
-1% synergy
Mirrodin Avenged
9% of 804 decks
+8% synergy
An Offer You Can't Refuse
9% of 685 decks
-13% synergy
Growth Spiral
9% of 685 decks
-13% synergy
Cremate
8% of 806 decks
+8% synergy
Valakut Awakening
8% of 831 decks
+3% synergy
You Are Already Dead
8% of 806 decks
+8% synergy
Entomb
8% of 806 decks
+1% synergy
Pact of Negation
8% of 685 decks
+1% synergy
Summoner's Pact
8% of 1670 decks
+7% synergy
Red Elemental Blast
8% of 831 decks
+1% synergy
Flare of Duplication
8% of 591 decks
+5% synergy
Chord of Calling
8% of 1670 decks
+2% synergy
Sorceries
Cultivate
27% of 1670 decks
-18% synergy
Rampant Growth
21% of 1670 decks
-13% synergy
Demonic Tutor
21% of 806 decks
-1% synergy
Nature's Lore
19% of 1670 decks
-13% synergy
Kodama's Reach
18% of 1670 decks
-12% synergy
Providence
17% of 598 decks
+17% synergy
Final Vengeance
16% of 461 decks
+15% synergy
Reanimate
15% of 806 decks
-1% synergy
Sam's Desperate Rescue
15% of 771 decks
+14% synergy
Claim the Precious
14% of 773 decks
+13% synergy
Three Visits
14% of 1670 decks
-11% synergy
The Black Breath
13% of 771 decks
+13% synergy
Gamble
13% of 831 decks
+4% synergy
Dread Return
13% of 806 decks
+8% synergy
Farseek
13% of 1670 decks
-21% synergy
Bridgeworks Battle
13% of 1130 decks
+9% synergy
Blasphemous Act
13% of 831 decks
-21% synergy
Gitaxian Probe
12% of 685 decks
+7% synergy
Stump Stomp
12% of 591 decks
+6% synergy
Read the Bones
12% of 806 decks
+5% synergy
Sign in Blood
12% of 806 decks
+2% synergy
Green Sun's Zenith
11% of 1670 decks
+6% synergy
Destroy the Evidence
11% of 806 decks
+11% synergy
Turntimber Symbiosis
11% of 1670 decks
+9% synergy
Jeska's Will
11% of 831 decks
-6% synergy
Bloodsoaked Insight
11% of 337 decks
+8% synergy
Bala Ged Recovery
11% of 1670 decks
+2% synergy
Deadly Brew
11% of 806 decks
+9% synergy
Rite of Flame
10% of 831 decks
+7% synergy
Rishkar's Expertise
10% of 1670 decks
+0% synergy
Lash of the Balrog
10% of 773 decks
+10% synergy
Culling Ritual
10% of 806 decks
-1% synergy
Agadeem's Awakening
10% of 806 decks
+6% synergy
Eaten Alive
9% of 806 decks
+8% synergy
Pelakka Predation
9% of 806 decks
+9% synergy
Coordinated Clobbering
9% of 896 decks
+9% synergy
Casualties of War
9% of 806 decks
+4% synergy
Sundering Eruption
9% of 590 decks
+5% synergy
Ezuri's Predation
9% of 1670 decks
+5% synergy
Harmonize
9% of 1670 decks
+0% synergy
Idyllic Tutor
9% of 598 decks
+4% synergy
Shatterskull Smashing
8% of 831 decks
+5% synergy
Sea Gate Restoration
8% of 685 decks
+3% synergy
Finale of Devastation
8% of 1670 decks
-0% synergy
Infernal Plunge
8% of 831 decks
+7% synergy
Unearth
8% of 806 decks
+4% synergy
Explore
8% of 1670 decks
-2% synergy
Faithless Looting
7% of 831 decks
-9% synergy
Diabolic Intent
7% of 806 decks
-1% synergy
Befoul
7% of 806 decks
+7% synergy
Utility Artifacts
Lotus Petal
27% of 1670 decks
+20% synergy
Lotus Bloom
16% of 1670 decks
+15% synergy
Leyline Axe
15% of 740 decks
+14% synergy
Mishra's Bauble
13% of 1670 decks
+12% synergy
Lightning Greaves
12% of 1670 decks
-13% synergy
Swiftfoot Boots
11% of 1670 decks
-16% synergy
Mind Stone
11% of 1670 decks
-6% synergy
The Great Henge
9% of 1670 decks
-0% synergy
Commander's Sphere
9% of 1670 decks
-5% synergy
Emerald Medallion
9% of 1670 decks
+7% synergy
Goblin Charbelcher
7% of 1670 decks
+7% synergy
Wishclaw Talisman
7% of 806 decks
+2% synergy
Jeweled Lotus
7% of 1670 decks
+3% synergy
Urza's Bauble
7% of 1670 decks
+6% synergy
Realmbreaker, the Invasion Tree
7% of 1668 decks
+6% synergy
Heirloom Epic
7% of 1041 decks
+7% synergy
The One Ring
6% of 1670 decks
-1% synergy
Fist of Suns
6% of 435 decks
-0% synergy
Lotus Blossom
6% of 1670 decks
+6% synergy
Zuran Orb
6% of 1670 decks
+5% synergy
Noble's Purse
6% of 1670 decks
+5% synergy
Enchantments
Leyline of Punishment
33% of 831 decks
+33% synergy
Leyline of Resonance
30% of 473 decks
+30% synergy
Leyline of Abundance
25% of 1670 decks
+23% synergy
Garruk's Uprising
19% of 1670 decks
+3% synergy
Leyline of Lifeforce
19% of 1670 decks
+19% synergy
Leyline of Vitality
19% of 1670 decks
+19% synergy
Rhystic Study
18% of 685 decks
-9% synergy
Wild Growth
15% of 1670 decks
+5% synergy
Call of the Ring
15% of 786 decks
+12% synergy
Opalescence
14% of 598 decks
+14% synergy
Rhythm of the Wild
13% of 831 decks
-10% synergy
Sterling Grove
13% of 598 decks
+5% synergy
Smothering Tithe
13% of 598 decks
-11% synergy
Sphere of Safety
12% of 598 decks
+7% synergy
Carpet of Flowers
12% of 1670 decks
+8% synergy
Starfield of Nyx
11% of 598 decks
+9% synergy
Maelstrom Nexus
11% of 435 decks
+3% synergy
Mystic Remora
11% of 685 decks
-7% synergy
Sylvan Library
10% of 1670 decks
-0% synergy
Sanctum of All
10% of 435 decks
+6% synergy
Utopia Sprawl
10% of 1670 decks
+2% synergy
Mirari's Wake
10% of 598 decks
-4% synergy
Leyline Binding
9% of 598 decks
+9% synergy
Ghostly Prison
8% of 598 decks
-4% synergy
Dead Weight
7% of 806 decks
+7% synergy
Honden of Cleansing Fire
7% of 598 decks
+7% synergy
Phyrexian Arena
7% of 806 decks
-8% synergy
Multani's Harmony
7% of 1670 decks
+7% synergy
Happily Ever After
7% of 598 decks
+7% synergy
Omniscience
7% of 685 decks
+4% synergy
Shortcut to Mushrooms
7% of 1582 decks
+6% synergy
Underworld Breach
7% of 831 decks
+1% synergy
Sanctum of Stone Fangs
6% of 806 decks
+5% synergy
Honden of Seeing Winds
6% of 685 decks
+6% synergy
Unnatural Growth
6% of 1670 decks
+1% synergy
Sanctum of Calm Waters
6% of 685 decks
+6% synergy
Fires of Yavimaya
6% of 831 decks
+2% synergy
Guardian Project
6% of 1670 decks
-2% synergy
Sanctum of Tranquil Light
6% of 598 decks
+5% synergy
Strength of the Harvest
6% of 371 decks
+1% synergy
Bridge from Below
6% of 806 decks
+6% synergy
Propaganda
6% of 685 decks
-6% synergy
Greater Good
6% of 1670 decks
+1% synergy
Tribute to the World Tree
6% of 1668 decks
-1% synergy
Concordant Crossroads
6% of 1670 decks
+3% synergy
Exploration
6% of 1670 decks
-3% synergy
Up the Beanstalk
5% of 1510 decks
+2% synergy
Leyline Immersion
5% of 1625 decks
+4% synergy
Kenrith's Transformation
5% of 1670 decks
-1% synergy
Elemental Bond
5% of 1670 decks
+0% synergy
Battles
Invasion of Ikoria
5% of 1667 decks
+1% synergy
Planeswalkers
Garruk, Primal Hunter
6% of 1670 decks
+4% synergy
Utility Lands
Reliquary Tower
16% of 1670 decks
-14% synergy
Boseiju, Who Endures
13% of 1670 decks
-6% synergy
Yavimaya, Cradle of Growth
12% of 1670 decks
+3% synergy
Rogue's Passage
10% of 1670 decks
-10% synergy
Mosswort Bridge
10% of 1670 decks
-1% synergy
Castle Garenbrig
9% of 1670 decks
+4% synergy
Ancient Tomb
9% of 1670 decks
-1% synergy
Kessig Wolf Run
8% of 831 decks
-7% synergy
Nykthos, Shrine to Nyx
8% of 1670 decks
+3% synergy
Contested Cliffs
7% of 831 decks
+6% synergy
Hall of Heliod's Generosity
7% of 598 decks
+0% synergy
Otawara, Soaring City
7% of 685 decks
-10% synergy
Dryad Arbor
7% of 1670 decks
+2% synergy
Shifting Woodland
6% of 1130 decks
-0% synergy
Gaea's Cradle
6% of 1670 decks
+0% synergy
Temple of the False God
6% of 1670 decks
-4% synergy
Arena of Glory
6% of 581 decks
-1% synergy
Mana Artifacts
Sol Ring
71% of 1670 decks
-13% synergy
Arcane Signet
53% of 1670 decks
-20% synergy
Talisman of Resilience
25% of 806 decks
+13% synergy
Golgari Signet
21% of 806 decks
+9% synergy
Serum Powder
18% of 1670 decks
+18% synergy
Fellwar Stone
17% of 1670 decks
-4% synergy
Timeless Lotus
17% of 435 decks
+5% synergy
Mox Tantalite
15% of 1670 decks
+14% synergy
Gruul Signet
14% of 831 decks
+2% synergy
Chromatic Lantern
14% of 1670 decks
+4% synergy
Simic Signet
13% of 685 decks
-1% synergy
Charcoal Diamond
13% of 806 decks
+8% synergy
Talisman of Curiosity
12% of 685 decks
-1% synergy
Springleaf Drum
12% of 1670 decks
+10% synergy
Mox Opal
12% of 1670 decks
+8% synergy
Mox Amber
12% of 1670 decks
+8% synergy
Sol Talisman
12% of 1670 decks
+11% synergy
Paradise Mantle
12% of 1670 decks
+11% synergy
Talisman of Impulse
11% of 831 decks
+2% synergy
Everflowing Chalice
11% of 1670 decks
+6% synergy
Moss Diamond
9% of 1670 decks
+8% synergy
Mana Crypt
9% of 1670 decks
+3% synergy
Selesnya Signet
9% of 598 decks
+0% synergy
Talisman of Creativity
8% of 486 decks
-20% synergy
Solar Transformer
8% of 1115 decks
+8% synergy
Izzet Signet
8% of 486 decks
-19% synergy
Talisman of Dominance
8% of 521 decks
-24% synergy
Talisman of Indulgence
8% of 500 decks
-19% synergy
Thought Vessel
8% of 1670 decks
-10% synergy
Talisman of Unity
7% of 598 decks
-0% synergy
Boros Signet
7% of 493 decks
-15% synergy
Inherited Envelope
7% of 1580 decks
+6% synergy
Prismatic Lens
7% of 1670 decks
+6% synergy
Dimir Signet
7% of 521 decks
-22% synergy
Azorius Signet
7% of 482 decks
-19% synergy
Rakdos Signet
7% of 500 decks
-22% synergy
Talisman of Progress
6% of 482 decks
-18% synergy
Talisman of Conviction
6% of 493 decks
-18% synergy
Orzhov Signet
6% of 480 decks
-21% synergy
Corrupted Grafstone
6% of 1670 decks
+6% synergy
Chromatic Orrery
6% of 1670 decks
+4% synergy
Tablet of Compleation
6% of 1670 decks
+5% synergy
Sphere of the Suns
5% of 1670 decks
+5% synergy
The Irencrag
5% of 1510 decks
+5% synergy
Lands
Command Tower
47% of 1670 decks
-27% synergy
Stomping Ground
31% of 831 decks
-10% synergy
Breeding Pool
31% of 685 decks
-10% synergy
Temple Garden
30% of 598 decks
-9% synergy
Jetmir's Garden
28% of 493 decks
-4% synergy
Overgrown Tomb
27% of 806 decks
-15% synergy
Ketria Triome
27% of 486 decks
-6% synergy
The World Tree
26% of 435 decks
-6% synergy
Watery Grave
26% of 521 decks
-14% synergy
Spara's Headquarters
26% of 482 decks
-4% synergy
Zagoth Triome
26% of 521 decks
-4% synergy
Hallowed Fountain
25% of 482 decks
-15% synergy
Indatha Triome
25% of 480 decks
-5% synergy
Sacred Foundry
24% of 493 decks
-11% synergy
Godless Shrine
24% of 480 decks
-16% synergy
Gemstone Caverns
24% of 1670 decks
+19% synergy
Steam Vents
24% of 486 decks
-15% synergy
Raugrin Triome
22% of 438 decks
-3% synergy
Savai Triome
22% of 436 decks
-5% synergy
Blood Crypt
21% of 500 decks
-17% synergy
Ziatora's Proving Ground
21% of 500 decks
-9% synergy
Raffine's Tower
21% of 462 decks
-6% synergy
Exotic Orchard
20% of 1670 decks
-15% synergy
Xander's Lounge
19% of 444 decks
-6% synergy
Cinder Glade
17% of 831 decks
-21% synergy
Jungle Shrine
17% of 493 decks
-16% synergy
Misty Rainforest
16% of 1670 decks
+4% synergy
Verdant Catacombs
15% of 1670 decks
+4% synergy
Wooded Foothills
14% of 1670 decks
+4% synergy
Spire Garden
14% of 831 decks
-10% synergy
Windswept Heath
14% of 1670 decks
+3% synergy
Rejuvenating Springs
13% of 685 decks
-15% synergy
Seaside Citadel
13% of 482 decks
-13% synergy
Savannah
13% of 598 decks
+0% synergy
Taiga
13% of 831 decks
+0% synergy
Tropical Island
13% of 685 decks
-1% synergy
Sandsteppe Citadel
13% of 480 decks
-13% synergy
Yavimaya Coast
13% of 685 decks
-14% synergy
Frontier Bivouac
13% of 486 decks
-15% synergy
Tundra
12% of 482 decks
-1% synergy
Bountiful Promenade
12% of 598 decks
-12% synergy
Bayou
12% of 806 decks
-1% synergy
Scrubland
12% of 480 decks
-2% synergy
Underground Sea
12% of 521 decks
-2% synergy
Rootbound Crag
12% of 831 decks
-13% synergy
Plateau
11% of 493 decks
-1% synergy
Opulent Palace
11% of 521 decks
-16% synergy
Karplusan Forest
11% of 831 decks
-6% synergy
Evolving Wilds
11% of 1670 decks
-10% synergy
Rockfall Vale
11% of 831 decks
-11% synergy