Grand Warlord Radha
Hellkite Charger
Savage Ventmaw
Prerequisites
What do I need to start this combo?
| All permanents on the battlefield. | |
| Savage Ventmaw does not have summoning sickness. An opponent is unable to block and kill your creatures. |
Steps
How does this combo work?
1 | Declare Radha, Hellkite Charger and Savage Ventmaw as attackers. |
2 | Radha, Savage Ventmaw and Hellkite Charger trigger. |
3 | Resolve the Savage Ventmaw trigger, adding . |
4 | Resolve the Radha trigger, adding at least  . |
5 | Resolve the Hellkite Charger trigger, choosing to pay  to untap all attacking creatures and to get an additional combat phase after this one. |
6 | Repeat. |
Results
What do I get from this combo?
| Infinite combat phases | |
| Infinite green mana | |
| Infinite red mana |
Combo Metadata
1742
DECKS
0.12%
OF 1410862 ELIGIBLE DECKS
Rank 1829
MOST PLAYED OF 34804 COMBOS
{ } Commander Bracket Information
In which Commander Bracket(s) am I allowed to play this combo?
1-2
Exhibition and Core
(no 2-card combos)
Any combos that require three or more cards are allowed
3
Upgraded
(no early game 2-card combos)
Any combos that require 3 or more cards are allowed
4-5
Optimized and CEDH
(all combos are allowed)
All combos are allowed.
Wulfgar of Icewind Dale
23.01% of 1860 decks
428 decks
Grand Warlord Radha
33.76% of 856 decks
289 decks
Karlach, Fury of Avernus // Raised by Giants
11.85% of 1603 decks
190 decks
Anzrag, the Quake-Mole
1.84% of 5551 decks
102 decks
Ruric Thar, the Unbowed
1.32% of 5165 decks
68 decks
Karlach, Fury of Avernus // Hardy Outlander
5.94% of 1094 decks
65 decks
Xenagos, God of Revels
0.68% of 6349 decks
43 decks
Raggadragga, Goreguts Boss
0.51% of 7785 decks
40 decks
Radha, Heir to Keld
2.00% of 1750 decks
35 decks
Klauth, Unrivaled Ancient
1.58% of 2030 decks
32 decks
Saskia the Unyielding
0.46% of 6461 decks
30 decks
Atarka, World Render
0.62% of 4352 decks
27 decks
Nikya of the Old Ways
0.88% of 2842 decks
25 decks
Ruby, Daring Tracker
0.98% of 2355 decks
23 decks
Karlach, Fury of Avernus // Master Chef
5.67% of 335 decks
19 decks
Ognis, the Dragon's Lash
0.30% of 5677 decks
17 decks
Gallia of the Endless Dance
1.11% of 1347 decks
15 decks
Samut, Voice of Dissent
0.72% of 1948 decks
14 decks
New Cards
Lightning, Army of One
20% of 15 decks
+17% synergy
The Fire Crystal
9% of 291 decks
+4% synergy
Restoration Magic
8% of 13 decks
+4% synergy
Banon, the Returners' Leader
7% of 15 decks
+5% synergy
Summon: Knights of Round
7% of 15 decks
+4% synergy
High Synergy Cards
Aggravated Assault
60% of 1732 decks
+56% synergy
Goblin Anarchomancer
64% of 1732 decks
+51% synergy
Aurelia, the Warleader
59% of 116 decks
+51% synergy
Etali, Primal Storm
55% of 1732 decks
+47% synergy
Rhythm of the Wild
70% of 1732 decks
+46% synergy
Goreclaw, Terror of Qal Sisma
50% of 1732 decks
+45% synergy
Iroas, God of Victory
44% of 116 decks
+40% synergy
Garruk's Uprising
56% of 1732 decks
+39% synergy
Isshin, Two Heavens as One
42% of 52 decks
+36% synergy
Moraug, Fury of Akoum
38% of 1732 decks
+36% synergy
Top Cards
Swords to Plowshares
59% of 116 decks
-3% synergy
Cultivate
56% of 1732 decks
+12% synergy
Beast Within
56% of 1732 decks
+20% synergy
Llanowar Elves
52% of 1732 decks
+32% synergy
Rampant Growth
50% of 1732 decks
+15% synergy
Heroic Intervention
46% of 1732 decks
+16% synergy
Path to Exile
45% of 116 decks
-2% synergy
Chaos Warp
44% of 1732 decks
+13% synergy
Elvish Mystic
43% of 1732 decks
+27% synergy
Temur Ascendancy
43% of 70 decks
+27% synergy
Game Changers
Cyclonic Rift
21% of 70 decks
-4% synergy
Teferi's Protection
21% of 116 decks
+3% synergy
Vampiric Tutor
14% of 97 decks
-2% synergy
Enlightened Tutor
14% of 116 decks
-2% synergy
Deflecting Swat
13% of 1732 decks
-3% synergy
Worldly Tutor
12% of 1732 decks
-1% synergy
Jeska's Will
12% of 1732 decks
-4% synergy
Aura Shards
6% of 116 decks
-2% synergy
Consecrated Sphinx
6% of 70 decks
+1% synergy
Ancient Tomb
5% of 1732 decks
-4% synergy
Creatures
Beast Whisperer
42% of 1732 decks
+31% synergy
Ruby, Daring Tracker
37% of 1724 decks
+33% synergy
Combat Celebrant
36% of 1732 decks
+33% synergy
Ignoble Hierarch
36% of 97 decks
+11% synergy
Toski, Bearer of Secrets
35% of 1732 decks
+28% synergy
Radha, Heir to Keld
33% of 1732 decks
+32% synergy
Birds of Paradise
32% of 1732 decks
+5% synergy
Scourge of the Throne
32% of 1732 decks
+30% synergy
Rattleclaw Mystic
31% of 70 decks
+28% synergy
Klauth, Unrivaled Ancient
31% of 1732 decks
+28% synergy
Karlach, Fury of Avernus
31% of 1732 decks
+28% synergy
Krenko, Tin Street Kingpin
31% of 1732 decks
+27% synergy
Ohran Frostfang
30% of 1732 decks
+24% synergy
Drakuseth, Maw of Flames
29% of 1732 decks
+26% synergy
Anzrag, the Quake-Mole
29% of 1435 decks
+27% synergy
Xenagos, God of Revels
29% of 1732 decks
+23% synergy
Gisela, Blade of Goldnight
28% of 116 decks
+22% synergy
Wulfgar of Icewind Dale
28% of 1732 decks
+26% synergy
Faeburrow Elder
28% of 116 decks
+16% synergy
Fyndhorn Elves
27% of 1732 decks
+17% synergy
Port Razer
27% of 1732 decks
+25% synergy
Kogla, the Titan Ape
27% of 1732 decks
+23% synergy
Korlessa, Scale Singer
26% of 70 decks
+23% synergy
Sakura-Tribe Elder
26% of 1732 decks
+8% synergy
Delina, Wild Mage
25% of 1732 decks
+23% synergy
Avacyn's Pilgrim
24% of 116 decks
+11% synergy
Zopandrel, Hunger Dominus
24% of 1732 decks
+20% synergy
Shaman of the Great Hunt
23% of 70 decks
+22% synergy
Eternal Witness
22% of 1732 decks
+3% synergy
Ilharg, the Raze-Boar
22% of 1732 decks
+20% synergy
Odric, Lunarch Marshal
22% of 116 decks
+19% synergy
Mirri, Weatherlight Duelist
22% of 116 decks
+18% synergy
Elder Gargaroth
21% of 1732 decks
+20% synergy
Dragonlord Ojutai
21% of 19 decks
+20% synergy
Jegantha, the Wellspring
21% of 19 decks
+16% synergy
Samut, Voice of Dissent
21% of 116 decks
+18% synergy
Reclamation Sage
21% of 1732 decks
+11% synergy
Tuya Bearclaw
20% of 1732 decks
+20% synergy
Urabrask the Hidden
20% of 1732 decks
+18% synergy
Pathbreaker Ibex
20% of 1732 decks
+19% synergy
Tectonic Giant
19% of 1732 decks
+18% synergy
Goldspan Dragon
19% of 1732 decks
+13% synergy
Captain Lannery Storm
19% of 1732 decks
+16% synergy
Halana and Alena, Partners
19% of 1732 decks
+15% synergy
Fanatic of Rhonas
18% of 1172 decks
+12% synergy
Marisi, Breaker of the Coil
18% of 116 decks
+15% synergy
Primeval Herald
18% of 1732 decks
+17% synergy
Brutal Hordechief
17% of 52 decks
+15% synergy
Surrak Dragonclaw
17% of 70 decks
+12% synergy
Old Gnawbone
17% of 1732 decks
+13% synergy
Instants
Return of the Wildspeaker
37% of 1732 decks
+25% synergy
Counterspell
34% of 70 decks
-8% synergy
Boros Charm
34% of 116 decks
+10% synergy
Great Train Heist
27% of 1279 decks
+24% synergy
Terminate
26% of 97 decks
+6% synergy
Assassin's Trophy
26% of 97 decks
-4% synergy
Flawless Maneuver
22% of 116 decks
+12% synergy
Hunter's Insight
22% of 1732 decks
+19% synergy
Akroma's Will
22% of 116 decks
+12% synergy
Arcane Denial
20% of 70 decks
-0% synergy
Eladamri's Call
20% of 116 decks
+10% synergy
Generous Gift
20% of 116 decks
-4% synergy
Savage Beating
17% of 1732 decks
+16% synergy
Anguished Unmaking
17% of 52 decks
-7% synergy
Stubborn Denial
17% of 70 decks
+15% synergy
Negate
17% of 70 decks
-5% synergy
Krosan Grip
16% of 1732 decks
+10% synergy
Return to Nature
15% of 1732 decks
+9% synergy
Tamiyo's Safekeeping
15% of 1732 decks
+9% synergy
Wrap in Vigor
14% of 1732 decks
+12% synergy
Nature's Claim
13% of 1732 decks
+5% synergy
Tyvar's Stand
12% of 1732 decks
+8% synergy
Brainstorm
11% of 70 decks
-8% synergy
Deadly Dispute
11% of 97 decks
-0% synergy
Artifact Mutation
11% of 1732 decks
+7% synergy
Unbreakable Formation
10% of 116 decks
+4% synergy
Putrefy
10% of 97 decks
-5% synergy
Pongify
10% of 70 decks
-1% synergy
Swan Song
10% of 70 decks
-7% synergy
Fierce Guardianship
10% of 70 decks
-8% synergy
Growth Spiral
10% of 70 decks
-11% synergy
An Offer You Can't Refuse
10% of 70 decks
-13% synergy
Utter End
10% of 52 decks
+4% synergy
Despark
10% of 52 decks
-5% synergy
Revitalizing Repast
10% of 63 decks
+1% synergy
Entish Restoration
9% of 1732 decks
+3% synergy
Gaea's Gift
9% of 1732 decks
+6% synergy
Stroke of Midnight
9% of 115 decks
-2% synergy
Abrade
9% of 1732 decks
-3% synergy
Mystical Tutor
9% of 70 decks
-5% synergy
Bolt Bend
8% of 1732 decks
+4% synergy
Comet Storm
8% of 1732 decks
+6% synergy
Naya Charm
8% of 116 decks
+2% synergy
Thrill of Possibility
8% of 1732 decks
-2% synergy
Klauth's Will
8% of 1732 decks
+6% synergy
Deadly Rollick
7% of 97 decks
-5% synergy
Bedevil
7% of 97 decks
-6% synergy
Nexus of Fate
7% of 70 decks
+6% synergy
Temur Charm
7% of 70 decks
+5% synergy
Collective Resistance
7% of 1177 decks
+3% synergy
Sorceries
Kodama's Reach
42% of 1732 decks
+13% synergy
Blasphemous Act
39% of 1732 decks
+6% synergy
Nature's Lore
36% of 1732 decks
+5% synergy
Relentless Assault
36% of 1732 decks
+34% synergy
Farseek
32% of 1732 decks
-3% synergy
Rishkar's Expertise
32% of 1732 decks
+22% synergy
Waves of Aggression
32% of 116 decks
+31% synergy
Three Visits
25% of 1732 decks
+1% synergy
Shamanic Revelation
24% of 1732 decks
+16% synergy
Decimate
21% of 1732 decks
+13% synergy
Harmonize
17% of 1732 decks
+9% synergy
Genesis Ultimatum
17% of 70 decks
+12% synergy
Vandalblast
16% of 1732 decks
+1% synergy
Full Throttle
16% of 669 decks
+13% synergy
World at War
15% of 1732 decks
+14% synergy
Demonic Tutor
14% of 97 decks
-6% synergy
Hull Breach
14% of 1732 decks
+10% synergy
Response // Resurgence
13% of 116 decks
+11% synergy
Stump Stomp
13% of 1176 decks
+7% synergy
Overpowering Attack
12% of 1130 decks
+10% synergy
Seize the Day
12% of 1732 decks
+10% synergy
Ruinous Ultimatum
12% of 52 decks
-7% synergy
Crux of Fate
11% of 97 decks
+9% synergy
Farewell
11% of 116 decks
-2% synergy
Skyshroud Claim
11% of 1732 decks
+2% synergy
Rite of Replication
10% of 70 decks
+7% synergy
Fury of the Horde
9% of 1732 decks
+9% synergy
Reanimate
9% of 97 decks
-8% synergy
Overwhelming Stampede
9% of 1732 decks
+4% synergy
Finale of Devastation
9% of 1732 decks
+1% synergy
Explore
8% of 1732 decks
-1% synergy
Blood Money
8% of 97 decks
+6% synergy
Chain Reaction
8% of 1732 decks
+4% synergy
Austere Command
8% of 116 decks
-5% synergy
Eerie Ultimatum
8% of 52 decks
-4% synergy
Diabolic Tutor
7% of 97 decks
+1% synergy
Toxic Deluge
7% of 97 decks
-11% synergy
Ponder
7% of 70 decks
-5% synergy
Bala Ged Recovery
7% of 1732 decks
-1% synergy
Harvest Season
7% of 1732 decks
+5% synergy
Last Night Together
7% of 1625 decks
+6% synergy
Last March of the Ents
6% of 1732 decks
+2% synergy
Faithless Looting
6% of 1732 decks
-10% synergy
Green Sun's Zenith
6% of 1732 decks
+1% synergy
Chandra's Ignition
6% of 1732 decks
+1% synergy
Genesis Wave
6% of 1732 decks
+3% synergy
Damn
6% of 52 decks
-10% synergy
Neoform
6% of 70 decks
+1% synergy
Song of Totentanz
5% of 1704 decks
+4% synergy
Painful Truths
5% of 97 decks
+3% synergy
Utility Artifacts
Swiftfoot Boots
38% of 1732 decks
+10% synergy
Doors of Durin
32% of 1732 decks
+30% synergy
Lightning Greaves
29% of 1732 decks
+4% synergy
Mage Slayer
25% of 1732 decks
+23% synergy
Dolmen Gate
24% of 1732 decks
+23% synergy
Sword of the Animist
20% of 1732 decks
+15% synergy
Bident of Thassa
19% of 70 decks
+12% synergy
The Great Henge
15% of 1732 decks
+5% synergy
Two-Handed Axe
15% of 1732 decks
+13% synergy
Helm of the Host
12% of 1732 decks
+8% synergy
Lifecrafter's Bestiary
10% of 1732 decks
+7% synergy
Sword of Feast and Famine
9% of 1732 decks
+6% synergy
Embercleave
8% of 1732 decks
+6% synergy
Hexplate Wallbreaker
8% of 1732 decks
+7% synergy
Horn of the Mark
8% of 1732 decks
+7% synergy
The Reaver Cleaver
7% of 1732 decks
+3% synergy
Diamond Pick-Axe
6% of 1575 decks
+4% synergy
Blade of Selves
6% of 1732 decks
+4% synergy
Mithril Coat
6% of 1732 decks
+1% synergy
Enchantments
Druids' Repository
33% of 1732 decks
+33% synergy
Unnatural Growth
32% of 1732 decks
+26% synergy
Bear Umbra
30% of 1732 decks
+26% synergy
Beastmaster Ascension
30% of 1732 decks
+25% synergy
Rising of the Day
28% of 1732 decks
+23% synergy
Fires of Yavimaya
25% of 1732 decks
+22% synergy
Mirari's Wake
19% of 116 decks
+7% synergy
Guardian Project
18% of 1732 decks
+10% synergy
Revel in Riches
16% of 97 decks
+13% synergy
Smothering Tithe
15% of 116 decks
-8% synergy
Rhystic Study
14% of 70 decks
-11% synergy
Annie Joins Up
14% of 85 decks
+2% synergy
Elemental Bond
14% of 1732 decks
+9% synergy
Fervent Charge
13% of 52 decks
+10% synergy
Phyrexian Arena
13% of 97 decks
-2% synergy
Colossal Majesty
12% of 1732 decks
+9% synergy
Wild Growth
12% of 1732 decks
+1% synergy
Nature's Will
10% of 1732 decks
+8% synergy
Sylvan Library
9% of 1732 decks
-1% synergy
Gratuitous Violence
9% of 1732 decks
+7% synergy
Utopia Sprawl
8% of 1732 decks
-0% synergy
Mardu Ascendancy
8% of 52 decks
+5% synergy
Gruul War Chant
7% of 1732 decks
+6% synergy
Warstorm Surge
7% of 1732 decks
+2% synergy
One with the Multiverse
7% of 70 decks
+5% synergy
Reflections of Littjara
7% of 70 decks
+3% synergy
Rabble Rousing
7% of 116 decks
+5% synergy
Tribute to the World Tree
7% of 1732 decks
+1% synergy
Champions from Beyond
7% of 15 decks
+5% synergy
City on Fire
6% of 1732 decks
+3% synergy
Warleader's Call
6% of 94 decks
-1% synergy
Black Market Connections
6% of 97 decks
-5% synergy
Kenrith's Transformation
6% of 1732 decks
+1% synergy
Up the Beanstalk
6% of 1708 decks
+3% synergy
Assemble the Legion
6% of 116 decks
+2% synergy
Growing Rites of Itlimoc
6% of 1732 decks
+0% synergy
Omniscience
6% of 70 decks
+3% synergy
Aqueous Form
6% of 70 decks
+2% synergy
Mystic Remora
6% of 70 decks
-11% synergy
Family's Favor
5% of 1732 decks
+5% synergy
Berserkers' Onslaught
5% of 1732 decks
+4% synergy
True Conviction
5% of 116 decks
+3% synergy
Anointed Procession
5% of 116 decks
-3% synergy
Animate Dead
5% of 97 decks
-4% synergy
Planeswalkers
Domri, Anarch of Bolas
16% of 1732 decks
+13% synergy
Kiora, Behemoth Beckoner
14% of 70 decks
+11% synergy
Xenagos, the Reveler
11% of 1732 decks
+9% synergy
Zariel, Archduke of Avernus
11% of 1732 decks
+10% synergy
Sarkhan Unbroken
9% of 70 decks
+6% synergy
Utility Lands
Kessig Wolf Run
46% of 1732 decks
+30% synergy
Rogue's Passage
38% of 1732 decks
+18% synergy
Mosswort Bridge
31% of 1732 decks
+21% synergy
Reliquary Tower
20% of 1732 decks
-10% synergy
Bojuka Bog
19% of 97 decks
-11% synergy
Skarrg, the Rage Pits
18% of 1732 decks
+15% synergy
Yavimaya, Cradle of Growth
15% of 1732 decks
+6% synergy
Arena of Glory
14% of 1163 decks
+8% synergy
Vault of the Archangel
13% of 52 decks
+2% synergy
Spinerock Knoll
13% of 1732 decks
+9% synergy
Boseiju, Who Endures
13% of 1732 decks
-6% synergy
Castle Garenbrig
12% of 1732 decks
+7% synergy
Raging Ravine
11% of 1732 decks
+9% synergy
Temple of the False God
11% of 1732 decks
+1% synergy
Hanweir Battlements
10% of 1732 decks
+9% synergy
Trenzalore Clocktower
9% of 68 decks
+8% synergy
Castle Embereth
7% of 1732 decks
+4% synergy
Minamo, School at Water's Edge
7% of 70 decks
+3% synergy
Academy Ruins
7% of 70 decks
+2% synergy
Otawara, Soaring City
7% of 70 decks
-9% synergy
Restless Ridgeline
7% of 1582 decks
+5% synergy
Eiganjo, Seat of the Empire
6% of 116 decks
-2% synergy
Gavony Township
6% of 116 decks
-3% synergy
Bonders' Enclave
6% of 1732 decks
+3% synergy
Scavenger Grounds
5% of 1732 decks
+2% synergy
Windbrisk Heights
5% of 116 decks
+1% synergy
Slayers' Stronghold
5% of 116 decks
-1% synergy
Minas Tirith
5% of 116 decks
-2% synergy
Mana Artifacts
Sol Ring
80% of 1732 decks
-5% synergy
Arcane Signet
63% of 1732 decks
-9% synergy
Timeless Lotus
37% of 19 decks
+26% synergy
Gruul Signet
31% of 1732 decks
+20% synergy
Talisman of Creativity
16% of 70 decks
-13% synergy
Talisman of Impulse
15% of 1732 decks
+5% synergy
Talisman of Curiosity
14% of 70 decks
+1% synergy
Izzet Signet
14% of 70 decks
-12% synergy
Boros Signet
10% of 116 decks
-11% synergy
Commander's Sphere
10% of 1732 decks
-4% synergy
Golgari Signet
9% of 97 decks
-2% synergy
Rakdos Signet
9% of 97 decks
-18% synergy
Herd Heirloom
9% of 458 decks
+5% synergy
Selesnya Signet
9% of 116 decks
+1% synergy
Simic Signet
9% of 70 decks
-4% synergy
Talisman of Unity
8% of 116 decks
+0% synergy
Talisman of Conviction
8% of 116 decks
-17% synergy
Talisman of Resilience
5% of 97 decks
-8% synergy
Lands
Command Tower
86% of 1732 decks
+12% synergy
Cinder Glade
70% of 1732 decks
+31% synergy
Rootbound Crag
54% of 1732 decks
+28% synergy
Savage Lands
49% of 97 decks
+27% synergy
Temple Garden
49% of 116 decks
+10% synergy
Game Trail
49% of 1732 decks
+33% synergy
Sacred Foundry
47% of 116 decks
+12% synergy
The World Tree
47% of 19 decks
+17% synergy
Rockfall Vale
46% of 1732 decks
+24% synergy
Frontier Bivouac
44% of 70 decks
+15% synergy
Stomping Ground
44% of 1732 decks
+4% synergy
Godless Shrine
42% of 52 decks
+3% synergy
Jetmir's Garden
38% of 116 decks
+8% synergy
Spire Garden
38% of 1732 decks
+14% synergy
Blood Crypt
37% of 97 decks
-0% synergy
Overgrown Tomb
37% of 97 decks
-4% synergy
Jungle Shrine
37% of 116 decks
+5% synergy
Gruul Turf
37% of 1732 decks
+22% synergy
Nomad Outpost
37% of 52 decks
+7% synergy
Dragonskull Summit
35% of 97 decks
+2% synergy
Smoldering Marsh
35% of 97 decks
+1% synergy
Karplusan Forest
34% of 1732 decks
+16% synergy
Ketria Triome
33% of 70 decks
+1% synergy
Sandsteppe Citadel
33% of 52 decks
+6% synergy
Temple of Abandon
32% of 1732 decks
+18% synergy
Ziatora's Proving Ground
32% of 97 decks
+3% synergy
Arcane Sanctum
32% of 19 decks
+3% synergy
Hallowed Fountain
32% of 19 decks
-8% synergy
Breeding Pool
31% of 70 decks
-9% synergy
Savai Triome
31% of 52 decks
+5% synergy
Indatha Triome
31% of 52 decks
+2% synergy
Clifftop Retreat
30% of 116 decks
-3% synergy
Steam Vents
30% of 70 decks
-8% synergy
Bountiful Promenade
29% of 116 decks
+6% synergy
Canopy Vista
29% of 116 decks
-8% synergy
Exotic Orchard
29% of 1732 decks
-7% synergy
Sunpetal Grove
28% of 116 decks
+2% synergy
Mossfire Valley
28% of 1732 decks
+17% synergy
Woodland Cemetery
28% of 97 decks
-3% synergy
Spectator Seating
28% of 116 decks
+3% synergy
Seaside Citadel
26% of 19 decks
-1% synergy
Mystic Monastery
26% of 19 decks
-2% synergy
Rejuvenating Springs
26% of 70 decks
-2% synergy
Evolving Wilds
25% of 1732 decks
+4% synergy
Training Center
24% of 70 decks
-2% synergy
Yavimaya Coast
24% of 70 decks
-3% synergy
Shivan Reef
24% of 70 decks
-4% synergy
Opulent Palace
24% of 21 decks
-5% synergy
Cragcrown Pathway
24% of 1732 decks
+16% synergy
Wooded Foothills
23% of 1732 decks
+13% synergy