Grand Architect
Staff of Domination
Karn, Silver Golem

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
1 available

   Steps

How does this combo work?
1
Activate Karn by paying 1, causing Staff of Domination to become an artifact creature until end of turn.
2
Activate Grand Architect's first ability by paying , causing Staff of Domination to become blue until end of turn.
3
Activate Grand Architect's second ability by tapping Staff of Domination, adding that can only be spent to cast artifact spells or to activate abilities of artifacts.
4
Activate Staff of Domination's first ability by paying 1, untapping it.
5
Repeat from step 3.
6
Once you have infinite mana, you may instead tap Staff of Domination using its other abilities if it does not have summoning sickness.

   Results

What do I get from this combo?
Infinite card draw
Infinite colorless mana that can only be spent to activate abilities of artifacts
Infinite colorless mana that can only be spent to cast artifact spells
Infinite draw triggers
Infinite lifegain
Infinite lifegain triggers
Infinite mana creatures you control can produce
Infinite untap of creatures you control
Memnarch
0.6%inclusion12 decks2.05K decks
Urza, Lord High Artificer
0.0%inclusion5 decks18.4K decks
Emry, Lurker of the Loch
0.1%inclusion4 decks5.84K decks
Arcum Dagsson
0.1%inclusion3 decks2.46K decks
Urza, Chief Artificer
0.0%inclusion3 decks16.3K decks
Mendicant Core, Guidelight
0.0%inclusion2 decks13.7K decks
Sydri, Galvanic Genius
0.1%inclusion2 decks2.77K decks
Lady Octopus, Inspired Inventor
0.1%inclusion2 decks3.12K decks
Akal Pakal, First Among Equals
0.4%inclusion1 decks268 decks
Padeem, Consul of Innovation
0.2%inclusion1 decks462 decks
Breya, Etherium Shaper
0.0%inclusion1 decks20.3K decks
Adrix and Nev, Twincasters
0.0%inclusion1 decks7.94K decks
Alela, Artful Provocateur
0.0%inclusion1 decks15.5K decks
Kenrith, the Returned King
0.0%inclusion1 decks29K decks
Oona, Queen of the Fae
0.1%inclusion1 decks1.94K decks
Ulalek, Fused Atrocity
0.0%inclusion1 decks27.4K decks
Ioreth of the Healing House
0.4%inclusion1 decks247 decks
Urza, Lord Protector
0.0%inclusion1 decks4.20K decks
High Synergy Cards
Pili-Pala
68%inclusion34 decks50 decks
68%synergy
Mycosynth Lattice
66%inclusion33 decks50 decks
65%synergy
Seat of the Synod
70%inclusion35 decks50 decks
63%synergy
Rings of Brighthearth
56%inclusion28 decks50 decks
55%synergy
Unwinding Clock
56%inclusion28 decks50 decks
54%synergy
Fabricate
58%inclusion29 decks50 decks
53%synergy
Ancient Den
57%inclusion8 decks14 decks
52%synergy
Vault of Whispers
55%inclusion6 decks11 decks
50%synergy
Academy Ruins
54%inclusion27 decks50 decks
49%synergy
Etherium Sculptor
54%inclusion27 decks50 decks
48%synergy
Top Cards
Karn, the Great Creator
48%inclusion24 decks50 decks
47%synergy
Phyrexian Metamorph
48%inclusion24 decks50 decks
41%synergy
Clock of Omens
46%inclusion23 decks50 decks
45%synergy
Voltaic Key
44%inclusion22 decks50 decks
43%synergy
Darksteel Forge
44%inclusion22 decks50 decks
43%synergy
Tezzeret the Seeker
44%inclusion22 decks50 decks
42%synergy
Training Grounds
44%inclusion22 decks50 decks
41%synergy
Urza, Lord High Artificer
44%inclusion22 decks50 decks
41%synergy
Metalworker
42%inclusion21 decks50 decks
42%synergy
Padeem, Consul of Innovation
42%inclusion21 decks50 decks
39%synergy
Game Changers
Worldly Tutor
60%inclusion3 decks5 decks
48%synergy
Vampiric Tutor
45%inclusion5 decks11 decks
31%synergy
Demonic Tutor
45%inclusion5 decks11 decks
26%synergy
Mana Vault
42%inclusion21 decks50 decks
36%synergy
Cyclonic Rift
38%inclusion19 decks50 decks
16%synergy
Rhystic Study
36%inclusion18 decks50 decks
13%synergy
Grim Monolith
34%inclusion17 decks50 decks
32%synergy
Ancient Tomb
34%inclusion17 decks50 decks
25%synergy
Enlightened Tutor
29%inclusion4 decks14 decks
14%synergy
Mishra's Workshop
14%inclusion7 decks50 decks
14%synergy
Creatures
Birds of Paradise
60%inclusion3 decks5 decks
33%synergy
Master Transmuter
40%inclusion20 decks50 decks
39%synergy
Foundry Inspector
40%inclusion20 decks50 decks
36%synergy
Voltaic Construct
38%inclusion19 decks50 decks
38%synergy
Palladium Myr
38%inclusion19 decks50 decks
36%synergy
Forensic Gadgeteer
38%inclusion19 decks50 decks
36%synergy
Trazyn the Infinite
36%inclusion4 decks11 decks
36%synergy
Emry, Lurker of the Loch
36%inclusion18 decks50 decks
32%synergy
Sharuum the Hegemon
30%inclusion3 decks10 decks
29%synergy
The Reality Chip
30%inclusion15 decks50 decks
27%synergy
Digsite Engineer
29%inclusion4 decks14 decks
28%synergy
Esper Sentinel
29%inclusion4 decks14 decks
10%synergy
Sai, Master Thopterist
28%inclusion14 decks50 decks
24%synergy
Baleful Strix
27%inclusion3 decks11 decks
14%synergy
Scrap Trawler
26%inclusion13 decks50 decks
24%synergy
Memnarch
24%inclusion12 decks50 decks
24%synergy
Arcum Dagsson
24%inclusion12 decks50 decks
24%synergy
Thought Monitor
24%inclusion12 decks50 decks
20%synergy
Filigree Sages
22%inclusion11 decks50 decks
22%synergy
Vedalken Archmage
22%inclusion11 decks50 decks
21%synergy
Shimmer Myr
22%inclusion11 decks50 decks
21%synergy
Myr Retriever
22%inclusion11 decks50 decks
20%synergy
Myr Battlesphere
22%inclusion11 decks50 decks
20%synergy
Ethersworn Canonist
21%inclusion3 decks14 decks
20%synergy
Urza, Prince of Kroog
21%inclusion3 decks14 decks
20%synergy
Blightsteel Colossus
20%inclusion10 decks50 decks
19%synergy
Trinket Mage
20%inclusion10 decks50 decks
18%synergy
Walking Ballista
20%inclusion10 decks50 decks
17%synergy
Jhoira's Familiar
18%inclusion9 decks50 decks
17%synergy
Wurmcoil Engine
18%inclusion9 decks50 decks
16%synergy
Ornithopter
18%inclusion9 decks50 decks
16%synergy
Spellskite
18%inclusion9 decks50 decks
15%synergy
Solemn Simulacrum
18%inclusion9 decks50 decks
6%synergy
Myr Welder
16%inclusion8 decks50 decks
16%synergy
Shimmer Dragon
16%inclusion8 decks50 decks
15%synergy
Trophy Mage
16%inclusion8 decks50 decks
15%synergy
Cyberdrive Awakener
16%inclusion8 decks50 decks
13%synergy
Dross Scorpion
14%inclusion7 decks50 decks
14%synergy
Silver Myr
14%inclusion7 decks50 decks
12%synergy
Kuldotha Forgemaster
12%inclusion6 decks50 decks
11%synergy
Platinum Angel
12%inclusion6 decks50 decks
11%synergy
Neurok Transmuter
10%inclusion5 decks50 decks
10%synergy
Treasure Mage
10%inclusion5 decks50 decks
10%synergy
Drafna, Founder of Lat-Nam
10%inclusion5 decks50 decks
10%synergy
Riddlesmith
10%inclusion5 decks50 decks
9%synergy
Unctus, Grand Metatect
10%inclusion5 decks50 decks
9%synergy
Hangarback Walker
10%inclusion5 decks50 decks
9%synergy
Liberator, Urza's Battlethopter
10%inclusion5 decks50 decks
9%synergy
Silent Arbiter
10%inclusion5 decks50 decks
9%synergy
Tribute Mage
10%inclusion5 decks50 decks
8%synergy
Instants
Whir of Invention
36%inclusion18 decks50 decks
34%synergy
Counterspell
36%inclusion18 decks50 decks
-6%synergy
Dramatic Reversal
34%inclusion17 decks50 decks
30%synergy
Mana Drain
28%inclusion14 decks50 decks
14%synergy
Mystical Tutor
24%inclusion12 decks50 decks
12%synergy
Fierce Guardianship
24%inclusion12 decks50 decks
6%synergy
Dispatch
21%inclusion3 decks14 decks
16%synergy
Path to Exile
21%inclusion3 decks14 decks
-26%synergy
Pact of Negation
20%inclusion10 decks50 decks
13%synergy
Brainstorm
20%inclusion10 decks50 decks
2%synergy
Scour for Scrap
19%inclusion4 decks21 decks
17%synergy
Muddle the Mixture
18%inclusion9 decks50 decks
14%synergy
Force of Will
16%inclusion8 decks50 decks
6%synergy
Swan Song
16%inclusion8 decks50 decks
-2%synergy
Blue Sun's Zenith
14%inclusion7 decks50 decks
12%synergy
High Tide
14%inclusion7 decks50 decks
10%synergy
An Offer You Can't Refuse
14%inclusion7 decks50 decks
-11%synergy
Thirst for Knowledge
12%inclusion6 decks50 decks
10%synergy
Flusterstorm
12%inclusion6 decks50 decks
5%synergy
Arcane Denial
12%inclusion6 decks50 decks
-8%synergy
Hurkyl's Recall
10%inclusion5 decks50 decks
10%synergy
Intuition
10%inclusion5 decks50 decks
8%synergy
Force of Negation
10%inclusion5 decks50 decks
2%synergy
Pongify
10%inclusion5 decks50 decks
-1%synergy
Negate
10%inclusion5 decks50 decks
-11%synergy
Sink into Stupor
8.2%inclusion4 decks49 decks
-2%synergy
Dispel
8.0%inclusion4 decks50 decks
4%synergy
Reality Shift
8.0%inclusion4 decks50 decks
0%synergy
Desynchronization
6.8%inclusion3 decks44 decks
5%synergy
Karn's Touch
6.0%inclusion3 decks50 decks
6%synergy
Urza's Command
6.0%inclusion3 decks50 decks
6%synergy
Forbid
6.0%inclusion3 decks50 decks
6%synergy
Desertion
6.0%inclusion3 decks50 decks
6%synergy
Capsize
6.0%inclusion3 decks50 decks
5%synergy
Turnabout
6.0%inclusion3 decks50 decks
5%synergy
Delay
6.0%inclusion3 decks50 decks
4%synergy
Mental Misstep
6.0%inclusion3 decks50 decks
0%synergy
Rapid Hybridization
6.0%inclusion3 decks50 decks
-3%synergy
Opt
6.0%inclusion3 decks50 decks
-3%synergy
Frantic Search
6.0%inclusion3 decks50 decks
-9%synergy
Sorceries
Organic Extinction
29%inclusion4 decks14 decks
26%synergy
Reshape
22%inclusion11 decks50 decks
21%synergy
Thoughtcast
22%inclusion11 decks50 decks
19%synergy
Open the Vaults
21%inclusion3 decks14 decks
20%synergy
Rise and Shine
20%inclusion10 decks50 decks
19%synergy
One with the Machine
20%inclusion10 decks50 decks
19%synergy
All Is Dust
14%inclusion7 decks50 decks
12%synergy
Transmute Artifact
12%inclusion6 decks50 decks
11%synergy
Ponder
10%inclusion5 decks50 decks
-2%synergy
Argivian Restoration
6.0%inclusion3 decks50 decks
6%synergy
Reverse Engineer
6.0%inclusion3 decks50 decks
6%synergy
Enter the Infinite
6.0%inclusion3 decks50 decks
5%synergy
Timetwister
6.0%inclusion3 decks50 decks
5%synergy
Windfall
6.0%inclusion3 decks50 decks
-6%synergy
Utility Artifacts
Isochron Scepter
38%inclusion19 decks50 decks
36%synergy
Sensei's Divining Top
36%inclusion18 decks50 decks
32%synergy
Lightning Greaves
36%inclusion18 decks50 decks
11%synergy
Sculpting Steel
34%inclusion17 decks50 decks
32%synergy
Heartstone
30%inclusion15 decks50 decks
30%synergy
Manifold Key
28%inclusion14 decks50 decks
27%synergy
Time Sieve
27%inclusion3 decks11 decks
25%synergy
Krark-Clan Ironworks
26%inclusion13 decks50 decks
25%synergy
Aetherflux Reservoir
26%inclusion13 decks50 decks
23%synergy
Mystic Forge
24%inclusion12 decks50 decks
21%synergy
Mindslaver
22%inclusion11 decks50 decks
22%synergy
Nevinyrral's Disk
22%inclusion11 decks50 decks
21%synergy
Urza's Sylex
21%inclusion3 decks14 decks
21%synergy
Master's Guide-Mural
21%inclusion3 decks14 decks
21%synergy
Liquimetal Coating
20%inclusion10 decks50 decks
20%synergy
Thousand-Year Elixir
20%inclusion10 decks50 decks
18%synergy
Forsaken Monument
20%inclusion10 decks50 decks
18%synergy
Cloud Key
20%inclusion10 decks50 decks
18%synergy
Myr Turbine
18%inclusion9 decks50 decks
18%synergy
Mirage Mirror
18%inclusion9 decks50 decks
17%synergy
Swiftfoot Boots
18%inclusion9 decks50 decks
-9%synergy
Spine of Ish Sah
16%inclusion8 decks50 decks
15%synergy
Lithoform Engine
16%inclusion8 decks50 decks
15%synergy
Simulacrum Synthesizer
16%inclusion8 decks50 decks
14%synergy
Mishra's Bauble
14%inclusion7 decks50 decks
13%synergy
The One Ring
14%inclusion7 decks50 decks
6%synergy
Winter Orb
12%inclusion6 decks50 decks
11%synergy
Codex Shredder
12%inclusion6 decks50 decks
11%synergy
Encroaching Mycosynth
12%inclusion6 decks50 decks
11%synergy
Illusionist's Bracers
12%inclusion6 decks50 decks
11%synergy
Ashnod's Altar
12%inclusion6 decks50 decks
6%synergy
Salvaging Station
10%inclusion5 decks50 decks
10%synergy
The Millennium Calendar
10%inclusion5 decks50 decks
10%synergy
Blasting Station
10%inclusion5 decks50 decks
10%synergy
The Enigma Jewel
10%inclusion5 decks50 decks
10%synergy
Umbral Mantle
10%inclusion5 decks50 decks
9%synergy
Grinding Station
10%inclusion5 decks50 decks
9%synergy
Tormod's Crypt
10%inclusion5 decks50 decks
9%synergy
Moonsilver Key
10%inclusion5 decks50 decks
9%synergy
Expedition Map
10%inclusion5 decks50 decks
7%synergy
Skullclamp
10%inclusion5 decks50 decks
-1%synergy
The Blackstaff of Waterdeep
8.0%inclusion4 decks50 decks
8%synergy
Summoning Station
8.0%inclusion4 decks50 decks
8%synergy
Pithing Needle
8.0%inclusion4 decks50 decks
8%synergy
Static Orb
8.0%inclusion4 decks50 decks
8%synergy
Planar Bridge
8.0%inclusion4 decks50 decks
8%synergy
Doubling Cube
8.0%inclusion4 decks50 decks
8%synergy
Mirrorworks
8.0%inclusion4 decks50 decks
7%synergy
Trading Post
8.0%inclusion4 decks50 decks
7%synergy
Soul-Guide Lantern
8.0%inclusion4 decks50 decks
7%synergy
Enchantments
Mystic Remora
24%inclusion12 decks50 decks
8%synergy
Mirrodin Besieged
22%inclusion11 decks50 decks
21%synergy
Intruder Alarm
22%inclusion11 decks50 decks
20%synergy
Tempered Steel
21%inclusion3 decks14 decks
20%synergy
Ghostly Prison
21%inclusion3 decks14 decks
10%synergy
Smothering Tithe
21%inclusion3 decks14 decks
1%synergy
Power Artifact
20%inclusion10 decks50 decks
20%synergy
March of the Machines
18%inclusion9 decks50 decks
18%synergy
Mechanized Production
16%inclusion8 decks50 decks
13%synergy
Propaganda
16%inclusion8 decks50 decks
2%synergy
Copy Artifact
14%inclusion7 decks50 decks
13%synergy
Thopter Spy Network
12%inclusion6 decks50 decks
9%synergy
Ensoul Artifact
10%inclusion5 decks50 decks
10%synergy
Artificer Class
10%inclusion5 decks50 decks
9%synergy
Freed from the Real
10%inclusion5 decks50 decks
8%synergy
Animate Artifact
6.0%inclusion3 decks50 decks
6%synergy
The Antiquities War
6.0%inclusion3 decks50 decks
6%synergy
Planeswalkers
Tezzeret, Betrayer of Flesh
18%inclusion9 decks50 decks
17%synergy
Ugin, the Ineffable
14%inclusion7 decks50 decks
12%synergy
Karn, Scion of Urza
8.0%inclusion4 decks50 decks
8%synergy
Karn, Living Legacy
8.0%inclusion4 decks50 decks
8%synergy
Karn Liberated
6.0%inclusion3 decks50 decks
6%synergy
Tezzeret, Artifice Master
6.0%inclusion3 decks50 decks
5%synergy
Jace, the Mind Sculptor
6.0%inclusion3 decks50 decks
5%synergy
Ugin, the Spirit Dragon
6.0%inclusion3 decks50 decks
5%synergy
Teferi, Master of Time
6.0%inclusion3 decks50 decks
4%synergy
Narset, Parter of Veils
6.0%inclusion3 decks50 decks
3%synergy
Utility Lands
Darksteel Citadel
50%inclusion25 decks50 decks
46%synergy
Inventors' Fair
50%inclusion25 decks50 decks
46%synergy
Urza's Saga
48%inclusion24 decks50 decks
41%synergy
Urza's Power Plant
32%inclusion16 decks50 decks
30%synergy
Urza's Mine
32%inclusion16 decks50 decks
30%synergy
Urza's Tower
32%inclusion16 decks50 decks
30%synergy
Buried Ruin
32%inclusion16 decks50 decks
27%synergy
Reliquary Tower
30%inclusion15 decks50 decks
0%synergy
Tolaria West
28%inclusion14 decks50 decks
27%synergy
Minamo, School at Water's Edge
26%inclusion13 decks50 decks
21%synergy
Archway of Innovation
19%inclusion9 decks47 decks
16%synergy
Otawara, Soaring City
18%inclusion9 decks50 decks
2%synergy
Treasure Vault
16%inclusion8 decks50 decks
13%synergy
Urza's Workshop
14%inclusion7 decks50 decks
13%synergy
Temple of the False God
12%inclusion6 decks50 decks
3%synergy
Mystic Sanctuary
12%inclusion6 decks50 decks
2%synergy
Strip Mine
10%inclusion5 decks50 decks
7%synergy
Urza's Factory
8.0%inclusion4 decks50 decks
8%synergy
Fomori Vault
8.0%inclusion4 decks50 decks
7%synergy
Shrine of the Forsaken Gods
8.0%inclusion4 decks50 decks
7%synergy
Lonely Sandbar
8.0%inclusion4 decks50 decks
5%synergy
Deserted Temple
6.0%inclusion3 decks50 decks
5%synergy
Riptide Laboratory
6.0%inclusion3 decks50 decks
4%synergy
Emergence Zone
6.0%inclusion3 decks50 decks
4%synergy
Rogue's Passage
6.0%inclusion3 decks50 decks
-14%synergy
Mana Artifacts
Sol Ring
88%inclusion44 decks50 decks
4%synergy
Basalt Monolith
76%inclusion38 decks50 decks
74%synergy
Arcane Signet
44%inclusion22 decks50 decks
-28%synergy
Thran Dynamo
42%inclusion21 decks50 decks
37%synergy
Chromatic Orrery
40%inclusion20 decks50 decks
39%synergy
Liquimetal Torque
38%inclusion19 decks50 decks
35%synergy
Gilded Lotus
36%inclusion18 decks50 decks
33%synergy
Mox Opal
30%inclusion15 decks50 decks
26%synergy
Lotus Petal
26%inclusion13 decks50 decks
19%synergy
Azorius Signet
21%inclusion3 decks14 decks
1%synergy
The Eternity Elevator
19%inclusion4 decks21 decks
18%synergy
Crystal Skull, Isu Spyglass
18%inclusion8 decks44 decks
16%synergy
Everflowing Chalice
18%inclusion9 decks50 decks
14%synergy
The Mightstone and Weakstone
16%inclusion8 decks50 decks
15%synergy
Mind Stone
16%inclusion8 decks50 decks
2%synergy
Thought Vessel
16%inclusion8 decks50 decks
-1%synergy
Empowered Autogenerator
14%inclusion7 decks50 decks
14%synergy
Mana Crypt
12%inclusion6 decks50 decks
11%synergy
Worn Powerstone
12%inclusion6 decks50 decks
10%synergy
Hedron Archive
12%inclusion6 decks50 decks
9%synergy
Mox Amber
12%inclusion6 decks50 decks
7%synergy
Midnight Clock
10%inclusion5 decks50 decks
5%synergy
Chrome Mox
10%inclusion5 decks50 decks
4%synergy
Sol Talisman
8.0%inclusion4 decks50 decks
7%synergy
Extraplanar Lens
8.0%inclusion4 decks50 decks
7%synergy
Sky Diamond
8.0%inclusion4 decks50 decks
4%synergy
Fellwar Stone
8.0%inclusion4 decks50 decks
-12%synergy
Gemstone Array
6.0%inclusion3 decks50 decks
6%synergy
Energy Refractor
6.0%inclusion3 decks50 decks
6%synergy
The Irencrag
6.0%inclusion3 decks50 decks
6%synergy
Darksteel Ingot
6.0%inclusion3 decks50 decks
5%synergy
Dreamstone Hedron
6.0%inclusion3 decks50 decks
5%synergy
Coveted Jewel
6.0%inclusion3 decks50 decks
5%synergy
Caged Sun
6.0%inclusion3 decks50 decks
4%synergy
Mox Diamond
6.0%inclusion3 decks50 decks
2%synergy
Lands
Mistvault Bridge
45%inclusion5 decks11 decks
42%synergy
Drowned Catacomb
45%inclusion5 decks11 decks
16%synergy
Razortide Bridge
43%inclusion6 decks14 decks
36%synergy
Glacial Fortress
43%inclusion6 decks14 decks
10%synergy
Arcane Sanctum
40%inclusion4 decks10 decks
13%synergy
Isolated Chapel
40%inclusion4 decks10 decks
6%synergy
Watery Grave
36%inclusion4 decks11 decks
-5%synergy
Temple of Enlightenment
36%inclusion5 decks14 decks
20%synergy
Command Tower
34%inclusion17 decks50 decks
-40%synergy
Goldmire Bridge
30%inclusion3 decks10 decks
26%synergy
Temple of Silence
30%inclusion3 decks10 decks
13%synergy
Seachrome Coast
29%inclusion4 decks14 decks
23%synergy
Adarkar Wastes
29%inclusion4 decks14 decks
5%synergy
Prairie Stream
29%inclusion4 decks14 decks
-4%synergy
Hallowed Fountain
29%inclusion4 decks14 decks
-12%synergy
Sunken Hollow
27%inclusion3 decks11 decks
-6%synergy
Irrigated Farmland
21%inclusion3 decks14 decks
14%synergy
The Mycosynth Gardens
12%inclusion6 decks50 decks
10%synergy
Spire of Industry
12%inclusion6 decks50 decks
9%synergy
Cavern of Souls
10%inclusion5 decks50 decks
3%synergy
Scalding Tarn
10%inclusion5 decks50 decks
-1%synergy
Flooded Strand
10%inclusion5 decks50 decks
-1%synergy
Misty Rainforest
10%inclusion5 decks50 decks
-1%synergy
Exotic Orchard
10%inclusion5 decks50 decks
-27%synergy
Urza's Cave
8.2%inclusion4 decks49 decks
5%synergy
Polluted Delta
8.0%inclusion4 decks50 decks
-4%synergy
Planar Nexus
6.1%inclusion3 decks49 decks
5%synergy
Glimmervoid
6.0%inclusion3 decks50 decks
6%synergy
Gemstone Caverns
6.0%inclusion3 decks50 decks
1%synergy
Myriad Landscape
6.0%inclusion3 decks50 decks
-9%synergy