Voltaic Construct
Katsumasa, the Animator
Basalt Monolith

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield (Basalt Monolith without summoning sickness on the battlefield).
2 available

   Steps

How does this combo work?
1
Animate Basalt Monolith using Katsumasa.
2
Activate Basalt Monolith by tapping it, adding .
3
Activate Voltaic Construct by paying 2, untapping Basalt Monolith.
4
Repeat from step 2.

   Results

What do I get from this combo?
Infinite colorless mana
Infinite untap of artifact creatures you control
Katsumasa, the Animator
5.2%inclusion16 decks310 decks
Sydri, Galvanic Genius
0.2%inclusion6 decks2.71K decks
Shorikai, Genesis Engine
0.0%inclusion5 decks19.7K decks
Urza, Lord High Artificer
0.0%inclusion1 decks18.1K decks
Zellix, Sanity Flayer // Street Urchin
1.5%inclusion1 decks66 decks
Lady Octopus, Inspired Inventor
0.0%inclusion1 decks2.90K decks
Tameshi, Reality Architect
0.0%inclusion1 decks3.11K decks
Baral, Chief of Compliance
0.0%inclusion1 decks5K decks
Thrasios, Triton Hero // Tymna the Weaver
0.0%inclusion1 decks10K decks
Kotori, Pilot Prodigy
0.0%inclusion1 decks2.46K decks
Memnarch
0.0%inclusion1 decks2.01K decks
Ravos, Soultender // Thrasios, Triton Hero
0.2%inclusion1 decks522 decks
Niv-Mizzet, Dracogenius
0.5%inclusion1 decks182 decks
Absolute Virtue
0.1%inclusion1 decks1.55K decks
Ioreth of the Healing House
0.4%inclusion1 decks243 decks
Aloy, Savior of Meridian
0.0%inclusion1 decks6.96K decks
The Mechanist, Aerial Artisan
0.6%inclusion1 decks159 decks
Ambassador Laquatus
0.5%inclusion1 decks186 decks
New Cards
Big Mother Mouser
25%inclusion1 decks4 decks
24%synergy
Donatello, Way with Machines
25%inclusion1 decks4 decks
25%synergy
Mind Transfer Protocol
25%inclusion1 decks4 decks
25%synergy
Chrome Dome
14%inclusion1 decks7 decks
14%synergy
Donatello, Gadget Master
14%inclusion1 decks7 decks
14%synergy
High Synergy Cards
Emry, Lurker of the Loch
58%inclusion25 decks43 decks
54%synergy
Foundry Inspector
56%inclusion24 decks43 decks
52%synergy
Seat of the Synod
58%inclusion25 decks43 decks
51%synergy
Sharuum the Hegemon
50%inclusion4 decks8 decks
49%synergy
Training Grounds
51%inclusion22 decks43 decks
48%synergy
Ancient Den
53%inclusion9 decks17 decks
48%synergy
Parhelion II
47%inclusion8 decks17 decks
46%synergy
Vault of Whispers
50%inclusion4 decks8 decks
46%synergy
Padeem, Consul of Innovation
49%inclusion21 decks43 decks
46%synergy
Etherium Sculptor
51%inclusion22 decks43 decks
45%synergy
Top Cards
Swords to Plowshares
71%inclusion12 decks17 decks
10%synergy
Counterspell
56%inclusion24 decks43 decks
14%synergy
Dispatch
47%inclusion8 decks17 decks
41%synergy
Forensic Gadgeteer
47%inclusion20 decks43 decks
44%synergy
Cyberdrive Awakener
47%inclusion20 decks43 decks
44%synergy
Sai, Master Thopterist
40%inclusion17 decks43 decks
36%synergy
Fabricate
40%inclusion17 decks43 decks
34%synergy
Tezzeret, Betrayer of Flesh
37%inclusion16 decks43 decks
36%synergy
Unwinding Clock
37%inclusion16 decks43 decks
35%synergy
Peacewalker Colossus
35%inclusion6 decks17 decks
34%synergy
Game Changers
Vampiric Tutor
50%inclusion4 decks8 decks
35%synergy
Demonic Tutor
50%inclusion4 decks8 decks
31%synergy
Bolas's Citadel
38%inclusion3 decks8 decks
30%synergy
Enlightened Tutor
35%inclusion6 decks17 decks
20%synergy
Mana Vault
30%inclusion13 decks43 decks
24%synergy
Cyclonic Rift
30%inclusion13 decks43 decks
8%synergy
Rhystic Study
30%inclusion13 decks43 decks
7%synergy
Grim Monolith
26%inclusion11 decks43 decks
24%synergy
Teferi's Protection
24%inclusion4 decks17 decks
7%synergy
Ancient Tomb
16%inclusion7 decks43 decks
7%synergy
Creatures
Urza, Chief Artificer
38%inclusion3 decks8 decks
36%synergy
Phyrexian Metamorph
35%inclusion15 decks43 decks
27%synergy
Urza, Lord High Artificer
33%inclusion14 decks43 decks
29%synergy
Grand Architect
26%inclusion11 decks43 decks
25%synergy
Vedalken Archmage
26%inclusion11 decks43 decks
24%synergy
Trophy Mage
26%inclusion11 decks43 decks
24%synergy
Jhoira's Familiar
26%inclusion11 decks43 decks
24%synergy
Solemn Simulacrum
26%inclusion11 decks43 decks
13%synergy
Lita, Mechanical Engineer
24%inclusion4 decks17 decks
23%synergy
Kotori, Pilot Prodigy
24%inclusion4 decks17 decks
22%synergy
Sram, Senior Edificer
24%inclusion4 decks17 decks
18%synergy
Esper Sentinel
24%inclusion4 decks17 decks
5%synergy
Workshop Elders
23%inclusion10 decks43 decks
23%synergy
Research Thief
23%inclusion10 decks43 decks
22%synergy
Karn, Silver Golem
21%inclusion9 decks43 decks
21%synergy
Shimmer Myr
21%inclusion9 decks43 decks
20%synergy
Master Transmuter
21%inclusion9 decks43 decks
20%synergy
Walking Ballista
21%inclusion9 decks43 decks
18%synergy
Kappa Cannoneer
21%inclusion9 decks43 decks
18%synergy
Vedalken Engineer
19%inclusion8 decks43 decks
18%synergy
The Reality Chip
19%inclusion8 decks43 decks
15%synergy
Hanna, Ship's Navigator
18%inclusion3 decks17 decks
16%synergy
Bronze Guardian
18%inclusion3 decks17 decks
16%synergy
Gold Myr
18%inclusion3 decks17 decks
15%synergy
Pili-Pala
16%inclusion7 decks43 decks
16%synergy
Drafna, Founder of Lat-Nam
16%inclusion7 decks43 decks
16%synergy
Master of Etherium
16%inclusion7 decks43 decks
15%synergy
Flux Channeler
16%inclusion7 decks43 decks
14%synergy
Thought Monitor
16%inclusion7 decks43 decks
13%synergy
Arcum Dagsson
14%inclusion6 decks43 decks
14%synergy
Cosima, God of the Voyage
14%inclusion6 decks43 decks
13%synergy
Laboratory Maniac
14%inclusion6 decks43 decks
9%synergy
Synod Artificer
12%inclusion5 decks43 decks
12%synergy
Animating Faerie
12%inclusion5 decks43 decks
12%synergy
Myr Welder
12%inclusion5 decks43 decks
11%synergy
Riddlesmith
12%inclusion5 decks43 decks
11%synergy
Kuldotha Forgemaster
12%inclusion5 decks43 decks
11%synergy
Sharding Sphinx
12%inclusion5 decks43 decks
11%synergy
Shimmer Dragon
12%inclusion5 decks43 decks
10%synergy
Myr Retriever
12%inclusion5 decks43 decks
10%synergy
Myr Battlesphere
12%inclusion5 decks43 decks
10%synergy
Trinket Mage
12%inclusion5 decks43 decks
10%synergy
Scrap Trawler
12%inclusion5 decks43 decks
10%synergy
Steel Overseer
12%inclusion5 decks43 decks
10%synergy
Palladium Myr
12%inclusion5 decks43 decks
10%synergy
Spellskite
12%inclusion5 decks43 decks
8%synergy
Thrummingbird
12%inclusion5 decks43 decks
8%synergy
Hullbreaker Horror
12%inclusion5 decks43 decks
4%synergy
Kenku Artificer
9.3%inclusion4 decks43 decks
9%synergy
Filigree Sages
9.3%inclusion4 decks43 decks
9%synergy
Instants
Path to Exile
35%inclusion6 decks17 decks
-12%synergy
Whir of Invention
30%inclusion13 decks43 decks
28%synergy
Dramatic Reversal
28%inclusion12 decks43 decks
24%synergy
Scour for Scrap
27%inclusion4 decks15 decks
25%synergy
Negate
26%inclusion11 decks43 decks
5%synergy
Mana Drain
21%inclusion9 decks43 decks
7%synergy
Fierce Guardianship
21%inclusion9 decks43 decks
3%synergy
An Offer You Can't Refuse
21%inclusion9 decks43 decks
-4%synergy
Mystical Tutor
19%inclusion8 decks43 decks
7%synergy
Swan Song
19%inclusion8 decks43 decks
1%synergy
Crush Contraband
18%inclusion3 decks17 decks
17%synergy
Dovin's Veto
18%inclusion3 decks17 decks
-1%synergy
Generous Gift
18%inclusion3 decks17 decks
-4%synergy
Brainstorm
16%inclusion7 decks43 decks
-2%synergy
Arcane Denial
16%inclusion7 decks43 decks
-4%synergy
Disruption Protocol
14%inclusion6 decks43 decks
13%synergy
Sink into Stupor
12%inclusion5 decks41 decks
2%synergy
Resculpt
12%inclusion5 decks43 decks
8%synergy
Reality Shift
12%inclusion5 decks43 decks
4%synergy
Pongify
12%inclusion5 decks43 decks
0%synergy
Reality Heist
9.3%inclusion4 decks43 decks
9%synergy
Evacuation
9.3%inclusion4 decks43 decks
7%synergy
Blue Sun's Zenith
9.3%inclusion4 decks43 decks
7%synergy
Mana Leak
9.3%inclusion4 decks43 decks
7%synergy
High Tide
9.3%inclusion4 decks43 decks
6%synergy
Muddle the Mixture
9.3%inclusion4 decks43 decks
5%synergy
Flusterstorm
9.3%inclusion4 decks43 decks
2%synergy
Rapid Hybridization
9.3%inclusion4 decks43 decks
0%synergy
Force of Will
9.3%inclusion4 decks43 decks
0%synergy
Stoic Rebuttal
7.0%inclusion3 decks43 decks
6%synergy
Access Denied
7.0%inclusion3 decks43 decks
6%synergy
March of Swirling Mist
7.0%inclusion3 decks43 decks
5%synergy
Experimental Augury
7.0%inclusion3 decks43 decks
5%synergy
Spell Pierce
7.0%inclusion3 decks43 decks
4%synergy
Mental Misstep
7.0%inclusion3 decks43 decks
1%synergy
Force of Negation
7.0%inclusion3 decks43 decks
-1%synergy
Sorceries
Rise and Shine
33%inclusion14 decks43 decks
32%synergy
Organic Extinction
24%inclusion4 decks17 decks
21%synergy
Dance of the Manse
24%inclusion4 decks17 decks
21%synergy
Thoughtcast
23%inclusion10 decks43 decks
20%synergy
Supreme Verdict
18%inclusion3 decks17 decks
6%synergy
Anchor to Reality
14%inclusion6 decks43 decks
14%synergy
Reshape
14%inclusion6 decks43 decks
13%synergy
Tezzeret's Gambit
12%inclusion5 decks43 decks
8%synergy
Universal Surveillance
9.3%inclusion4 decks43 decks
9%synergy
Transmute Artifact
7.0%inclusion3 decks43 decks
6%synergy
Solve the Equation
7.0%inclusion3 decks43 decks
4%synergy
Preordain
7.0%inclusion3 decks43 decks
-2%synergy
Ponder
7.0%inclusion3 decks43 decks
-5%synergy
Utility Artifacts
Time Sieve
38%inclusion3 decks8 decks
35%synergy
Staff of Domination
33%inclusion14 decks43 decks
31%synergy
Imposter Mech
33%inclusion14 decks43 decks
31%synergy
Voltaic Key
30%inclusion13 decks43 decks
29%synergy
Rings of Brighthearth
30%inclusion13 decks43 decks
29%synergy
Mystic Forge
30%inclusion13 decks43 decks
27%synergy
Prodigy's Prototype
29%inclusion5 decks17 decks
28%synergy
Weatherlight
28%inclusion12 decks43 decks
27%synergy
Clock of Omens
26%inclusion11 decks43 decks
25%synergy
Manifold Key
26%inclusion11 decks43 decks
24%synergy
Shorikai, Genesis Engine
24%inclusion4 decks17 decks
21%synergy
The Blackstaff of Waterdeep
23%inclusion10 decks43 decks
23%synergy
Mobilizer Mech
23%inclusion10 decks43 decks
23%synergy
The Indomitable
23%inclusion10 decks43 decks
22%synergy
Forsaken Monument
23%inclusion10 decks43 decks
22%synergy
Sculpting Steel
23%inclusion10 decks43 decks
21%synergy
Sensei's Divining Top
23%inclusion10 decks43 decks
19%synergy
Cloud Key
21%inclusion9 decks43 decks
19%synergy
Consulate Dreadnought
19%inclusion8 decks43 decks
18%synergy
Heartstone
19%inclusion8 decks43 decks
18%synergy
Darksteel Forge
19%inclusion8 decks43 decks
17%synergy
Mirage Mirror
19%inclusion8 decks43 decks
17%synergy
Aetherflux Reservoir
19%inclusion8 decks43 decks
15%synergy
Aerial Surveyor
18%inclusion3 decks17 decks
17%synergy
The Regalia
18%inclusion3 decks17 decks
17%synergy
Levitating Statue
16%inclusion7 decks43 decks
16%synergy
Mechtitan Core
16%inclusion7 decks43 decks
16%synergy
Reckoner Bankbuster
16%inclusion7 decks43 decks
16%synergy
Skysovereign, Consul Flagship
16%inclusion7 decks43 decks
16%synergy
Isochron Scepter
16%inclusion7 decks43 decks
14%synergy
Swiftfoot Boots
16%inclusion7 decks43 decks
-11%synergy
Darksteel Brute
14%inclusion6 decks43 decks
14%synergy
Staff of Nin
14%inclusion6 decks43 decks
14%synergy
Surgehacker Mech
14%inclusion6 decks43 decks
14%synergy
Mycosynth Lattice
14%inclusion6 decks43 decks
13%synergy
Smuggler's Copter
14%inclusion6 decks43 decks
13%synergy
Sapphire Medallion
14%inclusion6 decks43 decks
11%synergy
Lightning Greaves
14%inclusion6 decks43 decks
-11%synergy
Deluxe Dragster
12%inclusion5 decks43 decks
11%synergy
Reaver Titan
12%inclusion5 decks43 decks
11%synergy
Krark-Clan Ironworks
12%inclusion5 decks43 decks
11%synergy
The One Ring
12%inclusion5 decks43 decks
3%synergy
Skullclamp
12%inclusion5 decks43 decks
0%synergy
Darksteel Pendant
9.3%inclusion4 decks43 decks
9%synergy
Tamiyo's Logbook
9.3%inclusion4 decks43 decks
9%synergy
Caltrops
9.3%inclusion4 decks43 decks
9%synergy
Animation Module
9.3%inclusion4 decks43 decks
9%synergy
Unlicensed Hearse
9.3%inclusion4 decks43 decks
9%synergy
Throne of Geth
9.3%inclusion4 decks43 decks
9%synergy
Nautiloid Ship
9.3%inclusion4 decks43 decks
9%synergy
Enchantments
Thopter Spy Network
30%inclusion13 decks43 decks
27%synergy
Swift Reconfiguration
24%inclusion4 decks17 decks
23%synergy
Efficient Construction
23%inclusion10 decks43 decks
22%synergy
Mystic Remora
21%inclusion9 decks43 decks
5%synergy
Unstoppable Plan
19%inclusion5 decks26 decks
17%synergy
Artificer Class
14%inclusion6 decks43 decks
13%synergy
Mirrodin Besieged
12%inclusion5 decks43 decks
10%synergy
Ensoul Artifact
9.3%inclusion4 decks43 decks
9%synergy
Power Artifact
9.3%inclusion4 decks43 decks
9%synergy
Copy Artifact
9.3%inclusion4 decks43 decks
8%synergy
Freed from the Real
9.3%inclusion4 decks43 decks
7%synergy
Propaganda
9.3%inclusion4 decks43 decks
-5%synergy
March of the Machines
7.0%inclusion3 decks43 decks
7%synergy
The Antiquities War
7.0%inclusion3 decks43 decks
7%synergy
Pemmin's Aura
7.0%inclusion3 decks43 decks
6%synergy
Intruder Alarm
7.0%inclusion3 decks43 decks
5%synergy
Inexorable Tide
7.0%inclusion3 decks43 decks
4%synergy
Mechanized Production
7.0%inclusion3 decks43 decks
4%synergy
Planeswalkers
Tezzeret, Cruel Captain
19%inclusion3 decks16 decks
17%synergy
Karn, the Great Creator
19%inclusion8 decks43 decks
18%synergy
Tezzeret the Seeker
14%inclusion6 decks43 decks
12%synergy
Jace, Wielder of Mysteries
7.0%inclusion3 decks43 decks
4%synergy
Utility Lands
Darksteel Citadel
47%inclusion20 decks43 decks
43%synergy
Academy Ruins
37%inclusion16 decks43 decks
32%synergy
Reliquary Tower
35%inclusion15 decks43 decks
5%synergy
Buried Ruin
33%inclusion14 decks43 decks
28%synergy
Inventors' Fair
30%inclusion13 decks43 decks
26%synergy
Mech Hangar
23%inclusion10 decks43 decks
23%synergy
Urza's Saga
21%inclusion9 decks43 decks
14%synergy
Otawara, Soaring City
21%inclusion9 decks43 decks
5%synergy
Treasure Vault
16%inclusion7 decks43 decks
14%synergy
Karn's Bastion
16%inclusion7 decks43 decks
12%synergy
Archway of Innovation
15%inclusion6 decks40 decks
12%synergy
Urza's Mine
14%inclusion6 decks43 decks
12%synergy
Urza's Tower
14%inclusion6 decks43 decks
12%synergy
Rogue's Passage
14%inclusion6 decks43 decks
-6%synergy
Urza's Power Plant
12%inclusion5 decks43 decks
10%synergy
Fomori Vault
9.3%inclusion4 decks43 decks
8%synergy
Mystic Sanctuary
9.3%inclusion4 decks43 decks
-1%synergy
Mishra's Workshop
7.0%inclusion3 decks43 decks
7%synergy
Wasteland
7.0%inclusion3 decks43 decks
6%synergy
Minamo, School at Water's Edge
7.0%inclusion3 decks43 decks
2%synergy
War Room
7.0%inclusion3 decks43 decks
1%synergy
Mana Artifacts
Sol Ring
88%inclusion38 decks43 decks
5%synergy
Arcane Signet
65%inclusion28 decks43 decks
-7%synergy
Thran Dynamo
63%inclusion27 decks43 decks
58%synergy
Gilded Lotus
53%inclusion23 decks43 decks
51%synergy
Talisman of Hierarchy
50%inclusion4 decks8 decks
24%synergy
Thought Vessel
40%inclusion17 decks43 decks
22%synergy
Talisman of Dominance
38%inclusion3 decks8 decks
5%synergy
Mind Stone
35%inclusion15 decks43 decks
20%synergy
Mox Opal
33%inclusion14 decks43 decks
28%synergy
The Eternity Elevator
27%inclusion4 decks15 decks
25%synergy
Talisman of Progress
24%inclusion4 decks17 decks
-2%synergy
Everflowing Chalice
23%inclusion10 decks43 decks
19%synergy
Darksteel Ingot
21%inclusion9 decks43 decks
20%synergy
Chromatic Orrery
21%inclusion9 decks43 decks
20%synergy
Sky Diamond
21%inclusion9 decks43 decks
17%synergy
Fellwar Stone
19%inclusion8 decks43 decks
-2%synergy
Ring of the Lucii
18%inclusion3 decks17 decks
17%synergy
Cultivator's Caravan
16%inclusion7 decks43 decks
16%synergy
Liquimetal Torque
16%inclusion7 decks43 decks
14%synergy
Crystal Skull, Isu Spyglass
15%inclusion6 decks39 decks
14%synergy
Weather Maker
14%inclusion1 decks7 decks
14%synergy
Chromatic Lantern
14%inclusion6 decks43 decks
5%synergy
Empowered Autogenerator
12%inclusion5 decks43 decks
11%synergy
Dreamstone Hedron
12%inclusion5 decks43 decks
11%synergy
Nyx Lotus
12%inclusion5 decks43 decks
11%synergy
Mox Amber
12%inclusion5 decks43 decks
7%synergy
Blinkmoth Urn
9.3%inclusion4 decks43 decks
9%synergy
Skyclave Relic
9.3%inclusion4 decks43 decks
9%synergy
Mox Diamond
9.3%inclusion4 decks43 decks
5%synergy
Lotus Petal
9.3%inclusion4 decks43 decks
2%synergy
Commander's Sphere
9.3%inclusion4 decks43 decks
-2%synergy
Fountain of Ichor
7.0%inclusion3 decks43 decks
7%synergy
Guardian Idol
7.0%inclusion3 decks43 decks
7%synergy
Stonespeaker Crystal
7.0%inclusion3 decks43 decks
6%synergy
The Mightstone and Weakstone
7.0%inclusion3 decks43 decks
6%synergy
Coveted Jewel
7.0%inclusion3 decks43 decks
6%synergy
Machine God's Effigy
7.0%inclusion3 decks43 decks
6%synergy
Mana Crypt
7.0%inclusion3 decks43 decks
5%synergy
Caged Sun
7.0%inclusion3 decks43 decks
5%synergy
Worn Powerstone
7.0%inclusion3 decks43 decks
5%synergy
Hedron Archive
7.0%inclusion3 decks43 decks
4%synergy
Midnight Clock
7.0%inclusion3 decks43 decks
2%synergy
Chrome Mox
7.0%inclusion3 decks43 decks
1%synergy
Lands
Training Center
100%inclusion3 decks3 decks
75%synergy
Shivan Reef
100%inclusion3 decks3 decks
71%synergy
Godless Shrine
63%inclusion5 decks8 decks
21%synergy
Watery Grave
63%inclusion5 decks8 decks
21%synergy
Hallowed Fountain
53%inclusion9 decks17 decks
13%synergy
Prairie Stream
47%inclusion8 decks17 decks
14%synergy
Command Tower
40%inclusion17 decks43 decks
-35%synergy
Clearwater Pathway
38%inclusion3 decks8 decks
30%synergy
Shipwreck Marsh
38%inclusion3 decks8 decks
20%synergy
Vault of Champions
38%inclusion3 decks8 decks
14%synergy
Morphic Pool
38%inclusion3 decks8 decks
13%synergy
Sea of Clouds
35%inclusion6 decks17 decks
11%synergy
Glacial Fortress
35%inclusion6 decks17 decks
2%synergy
Hengegate Pathway
29%inclusion5 decks17 decks
23%synergy
Razortide Bridge
29%inclusion5 decks17 decks
23%synergy
Deserted Beach
24%inclusion4 decks17 decks
7%synergy
Power Depot
21%inclusion9 decks43 decks
20%synergy
Exotic Orchard
21%inclusion9 decks43 decks
-16%synergy
Flooded Strand
19%inclusion8 decks43 decks
7%synergy
Polluted Delta
19%inclusion8 decks43 decks
7%synergy
Myriad Landscape
19%inclusion8 decks43 decks
3%synergy
Irrigated Farmland
18%inclusion3 decks17 decks
10%synergy
Azorius Chancery
18%inclusion3 decks17 decks
5%synergy
Skycloud Expanse
18%inclusion3 decks17 decks
3%synergy
Port Town
18%inclusion3 decks17 decks
3%synergy
Temple of Enlightenment
18%inclusion3 decks17 decks
2%synergy
Spire of Industry
14%inclusion6 decks43 decks
11%synergy
The Mycosynth Gardens
12%inclusion5 decks43 decks
10%synergy
City of Brass
9.3%inclusion4 decks43 decks
2%synergy
Marsh Flats
9.3%inclusion4 decks43 decks
-1%synergy
Gemstone Caverns
7.0%inclusion3 decks43 decks
2%synergy
Mana Confluence
7.0%inclusion3 decks43 decks
0%synergy
Arid Mesa
7.0%inclusion3 decks43 decks
-3%synergy
Scalding Tarn
7.0%inclusion3 decks43 decks
-4%synergy
Misty Rainforest
7.0%inclusion3 decks43 decks
-4%synergy